About the Number

128912700

128912699 ← → 128912701

2進数表記:111101011110000110100111100

漢数字表記:一億二千八百九十一万二千七百

素因数分解:

2 2 × 3 1 × 5 2 × 7 1 × 17 1 × 23 1 × 157 1

素因数の和:221
約数の個数: 288
約数和(自身を含む): 473969664
約数和(自身を除く): 345056964

約数列:
[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 23, 25, 28, 30, 34, 35, 42, 46, 50, 51, 60, 68, 69, 70, 75, 84, 85, 92, 100, 102, 105, 115, 119, 138, 140, 150, 157, 161, 170, 175, 204, 210, 230, 238, 255, 276, 300, 314, 322, 340, 345, 350, 357, 391, 420, 425, 460, 471, 476, 483, 510, 525, 575, 595, 628, 644, 690, 700, 714, 782, 785, 805, 850, 942, 966, 1020, 1050, 1099, 1150, 1173, 1190, 1275, 1380, 1428, 1564, 1570, 1610, 1700, 1725, 1785, 1884, 1932, 1955, 2100, 2198, 2300, 2346, 2355, 2380, 2415, 2550, 2669, 2737, 2975, 3140, 3220, 3297, 3450, 3570, 3611, 3910, 3925, 4025, 4396, 4692, 4710, 4830, 5100, 5338, 5474, 5495, 5865, 5950, 6594, 6900, 7140, 7222, 7820, 7850, 8007, 8050, 8211, 8925, 9420, 9660, 9775, 10676, 10833, 10948, 10990, 11730, 11775, 11900, 12075, 13188, 13345, 13685, 14444, 15700, 16014, 16100, 16422, 16485, 17850, 18055, 18683, 19550, 21666, 21980, 23460, 23550, 24150, 25277, 26690, 27370, 27475, 29325, 32028, 32844, 32970, 35700, 36110, 37366, 39100, 40035, 41055, 43332, 47100, 48300, 50554, 53380, 54165, 54740, 54950, 56049, 58650, 61387, 65940, 66725, 68425, 72220, 74732, 75831, 80070, 82110, 82425, 90275, 93415, 101108, 108330, 109900, 112098, 117300, 122774, 126385, 133450, 136850, 151662, 160140, 164220, 164850, 180550, 184161, 186830, 200175, 205275, 216660, 224196, 245548, 252770, 266900, 270825, 273700, 280245, 303324, 306935, 329700, 361100, 368322, 373660, 379155, 400350, 410550, 429709, 467075, 505540, 541650, 560490, 613870, 631925, 736644, 758310, 800700, 821100, 859418, 920805, 934150, 1083300, 1120980, 1227740, 1263850, 1289127, 1401225, 1516620, 1534675, 1718836, 1841610, 1868300, 1895775, 2148545, 2527700, 2578254, 2802450, 3069350, 3683220, 3791550, 4297090, 4604025, 5156508, 5604900, 6138700, 6445635, 7583100, 8594180, 9208050, 10742725, 12891270, 18416100, 21485450, 25782540, 32228175, 42970900, 64456350, 128912700]

約数ペア:
[(1, 128912700), (2, 64456350), (3, 42970900), (4, 32228175), (5, 25782540), (6, 21485450), (7, 18416100), (10, 12891270), (12, 10742725), (14, 9208050), (15, 8594180), (17, 7583100), (20, 6445635), (21, 6138700), (23, 5604900), (25, 5156508), (28, 4604025), (30, 4297090), (34, 3791550), (35, 3683220), (42, 3069350), (46, 2802450), (50, 2578254), (51, 2527700), (60, 2148545), (68, 1895775), (69, 1868300), (70, 1841610), (75, 1718836), (84, 1534675), (85, 1516620), (92, 1401225), (100, 1289127), (102, 1263850), (105, 1227740), (115, 1120980), (119, 1083300), (138, 934150), (140, 920805), (150, 859418), (157, 821100), (161, 800700), (170, 758310), (175, 736644), (204, 631925), (210, 613870), (230, 560490), (238, 541650), (255, 505540), (276, 467075), (300, 429709), (314, 410550), (322, 400350), (340, 379155), (345, 373660), (350, 368322), (357, 361100), (391, 329700), (420, 306935), (425, 303324), (460, 280245), (471, 273700), (476, 270825), (483, 266900), (510, 252770), (525, 245548), (575, 224196), (595, 216660), (628, 205275), (644, 200175), (690, 186830), (700, 184161), (714, 180550), (782, 164850), (785, 164220), (805, 160140), (850, 151662), (942, 136850), (966, 133450), (1020, 126385), (1050, 122774), (1099, 117300), (1150, 112098), (1173, 109900), (1190, 108330), (1275, 101108), (1380, 93415), (1428, 90275), (1564, 82425), (1570, 82110), (1610, 80070), (1700, 75831), (1725, 74732), (1785, 72220), (1884, 68425), (1932, 66725), (1955, 65940), (2100, 61387), (2198, 58650), (2300, 56049), (2346, 54950), (2355, 54740), (2380, 54165), (2415, 53380), (2550, 50554), (2669, 48300), (2737, 47100), (2975, 43332), (3140, 41055), (3220, 40035), (3297, 39100), (3450, 37366), (3570, 36110), (3611, 35700), (3910, 32970), (3925, 32844), (4025, 32028), (4396, 29325), (4692, 27475), (4710, 27370), (4830, 26690), (5100, 25277), (5338, 24150), (5474, 23550), (5495, 23460), (5865, 21980), (5950, 21666), (6594, 19550), (6900, 18683), (7140, 18055), (7222, 17850), (7820, 16485), (7850, 16422), (8007, 16100), (8050, 16014), (8211, 15700), (8925, 14444), (9420, 13685), (9660, 13345), (9775, 13188), (10676, 12075), (10833, 11900), (10948, 11775), (10990, 11730)]

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