90451900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{691}}^1$

素因数の和:740

約数の個数: 144

約数和(自身を含む): 259483392

約数和(自身を除く): 169031492

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 25, 28, 34, 35, 44, 50, 55, 68, 70, 77, 85, 100, 110, 119, 140, 154, 170, 175, 187, 220, 238, 275, 308, 340, 350, 374, 385, 425, 476, 550, 595, 691, 700, 748, 770, 850, 935, 1100, 1190, 1309, 1382, 1540, 1700, 1870, 1925, 2380, 2618, 2764, 2975, 3455, 3740, 3850, 4675, 4837, 5236, 5950, 6545, 6910, 7601, 7700, 9350, 9674, 11747, 11900, 13090, 13820, 15202, 17275, 18700, 19348, 23494, 24185, 26180, 30404, 32725, 34550, 38005, 46988, 48370, 53207, 58735, 65450, 69100, 76010, 82229, 96740, 106414, 117470, 120925, 129217, 130900, 152020, 164458, 190025, 212828, 234940, 241850, 258434, 266035, 293675, 328916, 380050, 411145, 483700, 516868, 532070, 587350, 646085, 760100, 822290, 904519, 1064140, 1174700, 1292170, 1330175, 1644580, 1809038, 2055725, 2584340, 2660350, 3230425, 3618076, 4111450, 4522595, 5320700, 6460850, 8222900, 9045190, 12921700, 18090380, 22612975, 45225950, 90451900]

約数ペア:

[(1, 90451900), (2, 45225950), (4, 22612975), (5, 18090380), (7, 12921700), (10, 9045190), (11, 8222900), (14, 6460850), (17, 5320700), (20, 4522595), (22, 4111450), (25, 3618076), (28, 3230425), (34, 2660350), (35, 2584340), (44, 2055725), (50, 1809038), (55, 1644580), (68, 1330175), (70, 1292170), (77, 1174700), (85, 1064140), (100, 904519), (110, 822290), (119, 760100), (140, 646085), (154, 587350), (170, 532070), (175, 516868), (187, 483700), (220, 411145), (238, 380050), (275, 328916), (308, 293675), (340, 266035), (350, 258434), (374, 241850), (385, 234940), (425, 212828), (476, 190025), (550, 164458), (595, 152020), (691, 130900), (700, 129217), (748, 120925), (770, 117470), (850, 106414), (935, 96740), (1100, 82229), (1190, 76010), (1309, 69100), (1382, 65450), (1540, 58735), (1700, 53207), (1870, 48370), (1925, 46988), (2380, 38005), (2618, 34550), (2764, 32725), (2975, 30404), (3455, 26180), (3740, 24185), (3850, 23494), (4675, 19348), (4837, 18700), (5236, 17275), (5950, 15202), (6545, 13820), (6910, 13090), (7601, 11900), (7700, 11747), (9350, 9674)]