2507788400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:440

約数の個数: 240

約数和(自身を含む): 6860894208

約数和(自身を除く): 4353105808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 47, 50, 52, 62, 65, 80, 94, 100, 104, 124, 130, 155, 188, 200, 208, 235, 248, 260, 310, 325, 331, 376, 400, 403, 470, 496, 520, 611, 620, 650, 662, 752, 775, 806, 940, 1040, 1175, 1222, 1240, 1300, 1324, 1457, 1550, 1612, 1655, 1880, 2015, 2350, 2444, 2480, 2600, 2648, 2914, 3055, 3100, 3224, 3310, 3760, 4030, 4303, 4700, 4888, 5200, 5296, 5828, 6110, 6200, 6448, 6620, 7285, 8060, 8275, 8606, 9400, 9776, 10075, 10261, 11656, 12220, 12400, 13240, 14570, 15275, 15557, 16120, 16550, 17212, 18800, 18941, 20150, 20522, 21515, 23312, 24440, 26480, 29140, 30550, 31114, 32240, 33100, 34424, 36425, 37882, 40300, 41044, 43030, 48880, 51305, 58280, 61100, 62228, 66200, 68848, 72850, 75764, 77785, 80600, 82088, 86060, 94705, 102610, 107575, 116560, 122200, 124456, 132400, 133393, 145700, 151528, 155570, 161200, 164176, 172120, 189410, 202241, 205220, 215150, 244400, 248912, 256525, 266786, 291400, 303056, 311140, 344240, 378820, 388925, 404482, 410440, 430300, 473525, 482267, 513050, 533572, 582800, 622280, 666965, 757640, 777850, 808964, 820880, 860600, 947050, 964534, 1011205, 1026100, 1067144, 1244560, 1333930, 1515280, 1555700, 1617928, 1721200, 1894100, 1929068, 2022410, 2052200, 2134288, 2411335, 2667860, 3111400, 3235856, 3334825, 3788200, 3858136, 4044820, 4104400, 4822670, 5056025, 5335720, 6222800, 6269471, 6669650, 7576400, 7716272, 8089640, 9645340, 10112050, 10671440, 12056675, 12538942, 13339300, 16179280, 19290680, 20224100, 24113350, 25077884, 26678600, 31347355, 38581360, 40448200, 48226700, 50155768, 53357200, 62694710, 80896400, 96453400, 100311536, 125389420, 156736775, 192906800, 250778840, 313473550, 501557680, 626947100, 1253894200, 2507788400]

約数ペア:

[(1, 2507788400), (2, 1253894200), (4, 626947100), (5, 501557680), (8, 313473550), (10, 250778840), (13, 192906800), (16, 156736775), (20, 125389420), (25, 100311536), (26, 96453400), (31, 80896400), (40, 62694710), (47, 53357200), (50, 50155768), (52, 48226700), (62, 40448200), (65, 38581360), (80, 31347355), (94, 26678600), (100, 25077884), (104, 24113350), (124, 20224100), (130, 19290680), (155, 16179280), (188, 13339300), (200, 12538942), (208, 12056675), (235, 10671440), (248, 10112050), (260, 9645340), (310, 8089640), (325, 7716272), (331, 7576400), (376, 6669650), (400, 6269471), (403, 6222800), (470, 5335720), (496, 5056025), (520, 4822670), (611, 4104400), (620, 4044820), (650, 3858136), (662, 3788200), (752, 3334825), (775, 3235856), (806, 3111400), (940, 2667860), (1040, 2411335), (1175, 2134288), (1222, 2052200), (1240, 2022410), (1300, 1929068), (1324, 1894100), (1457, 1721200), (1550, 1617928), (1612, 1555700), (1655, 1515280), (1880, 1333930), (2015, 1244560), (2350, 1067144), (2444, 1026100), (2480, 1011205), (2600, 964534), (2648, 947050), (2914, 860600), (3055, 820880), (3100, 808964), (3224, 777850), (3310, 757640), (3760, 666965), (4030, 622280), (4303, 582800), (4700, 533572), (4888, 513050), (5200, 482267), (5296, 473525), (5828, 430300), (6110, 410440), (6200, 404482), (6448, 388925), (6620, 378820), (7285, 344240), (8060, 311140), (8275, 303056), (8606, 291400), (9400, 266786), (9776, 256525), (10075, 248912), (10261, 244400), (11656, 215150), (12220, 205220), (12400, 202241), (13240, 189410), (14570, 172120), (15275, 164176), (15557, 161200), (16120, 155570), (16550, 151528), (17212, 145700), (18800, 133393), (18941, 132400), (20150, 124456), (20522, 122200), (21515, 116560), (23312, 107575), (24440, 102610), (26480, 94705), (29140, 86060), (30550, 82088), (31114, 80600), (32240, 77785), (33100, 75764), (34424, 72850), (36425, 68848), (37882, 66200), (40300, 62228), (41044, 61100), (43030, 58280), (48880, 51305)]