551989900

素因数分解:

$2^2\times 5^2\times 7^4\times {\mathrm{11}}^2\times {\mathrm{19}}^1$

素因数の和:83

約数の個数: 270

約数和(自身を含む): 1616793220

約数和(自身を除く): 1064803320

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 25, 28, 35, 38, 44, 49, 50, 55, 70, 76, 77, 95, 98, 100, 110, 121, 133, 140, 154, 175, 190, 196, 209, 220, 242, 245, 266, 275, 308, 343, 350, 380, 385, 418, 475, 484, 490, 532, 539, 550, 605, 665, 686, 700, 770, 836, 847, 931, 950, 980, 1045, 1078, 1100, 1210, 1225, 1330, 1372, 1463, 1540, 1694, 1715, 1862, 1900, 1925, 2090, 2156, 2299, 2401, 2420, 2450, 2660, 2695, 2926, 3025, 3325, 3388, 3430, 3724, 3773, 3850, 4180, 4235, 4598, 4655, 4802, 4900, 5225, 5390, 5852, 5929, 6050, 6517, 6650, 6860, 7315, 7546, 7700, 8470, 8575, 9196, 9310, 9604, 10241, 10450, 10780, 11495, 11858, 12005, 12100, 13034, 13300, 13475, 14630, 15092, 16093, 16940, 17150, 18620, 18865, 20482, 20900, 21175, 22990, 23275, 23716, 24010, 26068, 26411, 26950, 29260, 29645, 32186, 32585, 34300, 36575, 37730, 40964, 41503, 42350, 45619, 45980, 46550, 48020, 51205, 52822, 53900, 57475, 59290, 60025, 64372, 65170, 71687, 73150, 75460, 80465, 83006, 84700, 91238, 93100, 94325, 102410, 105644, 112651, 114950, 118580, 120050, 130340, 132055, 143374, 146300, 148225, 160930, 162925, 166012, 182476, 188650, 204820, 207515, 225302, 228095, 229900, 240100, 256025, 264110, 286748, 290521, 296450, 321860, 325850, 358435, 377300, 402325, 415030, 450604, 456190, 501809, 512050, 528220, 563255, 581042, 592900, 651700, 660275, 716870, 788557, 804650, 830060, 912380, 1003618, 1024100, 1037575, 1126510, 1140475, 1162084, 1320550, 1433740, 1452605, 1577114, 1609300, 1792175, 2007236, 2075150, 2253020, 2280950, 2509045, 2641100, 2816275, 2905210, 3154228, 3584350, 3942785, 4150300, 4561900, 5018090, 5519899, 5632550, 5810420, 7168700, 7263025, 7885570, 10036180, 11039798, 11265100, 12545225, 14526050, 15771140, 19713925, 22079596, 25090450, 27599495, 29052100, 39427850, 50180900, 55198990, 78855700, 110397980, 137997475, 275994950, 551989900]

約数ペア:

[(1, 551989900), (2, 275994950), (4, 137997475), (5, 110397980), (7, 78855700), (10, 55198990), (11, 50180900), (14, 39427850), (19, 29052100), (20, 27599495), (22, 25090450), (25, 22079596), (28, 19713925), (35, 15771140), (38, 14526050), (44, 12545225), (49, 11265100), (50, 11039798), (55, 10036180), (70, 7885570), (76, 7263025), (77, 7168700), (95, 5810420), (98, 5632550), (100, 5519899), (110, 5018090), (121, 4561900), (133, 4150300), (140, 3942785), (154, 3584350), (175, 3154228), (190, 2905210), (196, 2816275), (209, 2641100), (220, 2509045), (242, 2280950), (245, 2253020), (266, 2075150), (275, 2007236), (308, 1792175), (343, 1609300), (350, 1577114), (380, 1452605), (385, 1433740), (418, 1320550), (475, 1162084), (484, 1140475), (490, 1126510), (532, 1037575), (539, 1024100), (550, 1003618), (605, 912380), (665, 830060), (686, 804650), (700, 788557), (770, 716870), (836, 660275), (847, 651700), (931, 592900), (950, 581042), (980, 563255), (1045, 528220), (1078, 512050), (1100, 501809), (1210, 456190), (1225, 450604), (1330, 415030), (1372, 402325), (1463, 377300), (1540, 358435), (1694, 325850), (1715, 321860), (1862, 296450), (1900, 290521), (1925, 286748), (2090, 264110), (2156, 256025), (2299, 240100), (2401, 229900), (2420, 228095), (2450, 225302), (2660, 207515), (2695, 204820), (2926, 188650), (3025, 182476), (3325, 166012), (3388, 162925), (3430, 160930), (3724, 148225), (3773, 146300), (3850, 143374), (4180, 132055), (4235, 130340), (4598, 120050), (4655, 118580), (4802, 114950), (4900, 112651), (5225, 105644), (5390, 102410), (5852, 94325), (5929, 93100), (6050, 91238), (6517, 84700), (6650, 83006), (6860, 80465), (7315, 75460), (7546, 73150), (7700, 71687), (8470, 65170), (8575, 64372), (9196, 60025), (9310, 59290), (9604, 57475), (10241, 53900), (10450, 52822), (10780, 51205), (11495, 48020), (11858, 46550), (12005, 45980), (12100, 45619), (13034, 42350), (13300, 41503), (13475, 40964), (14630, 37730), (15092, 36575), (16093, 34300), (16940, 32585), (17150, 32186), (18620, 29645), (18865, 29260), (20482, 26950), (20900, 26411), (21175, 26068), (22990, 24010), (23275, 23716)]