90902840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2441}}^1$

素因数の和:2485

約数の個数: 96

約数和(自身を含む): 250549200

約数和(自身を除く): 159646360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 95, 98, 133, 140, 152, 190, 196, 245, 266, 280, 380, 392, 490, 532, 665, 760, 931, 980, 1064, 1330, 1862, 1960, 2441, 2660, 3724, 4655, 4882, 5320, 7448, 9310, 9764, 12205, 17087, 18620, 19528, 24410, 34174, 37240, 46379, 48820, 68348, 85435, 92758, 97640, 119609, 136696, 170870, 185516, 231895, 239218, 324653, 341740, 371032, 463790, 478436, 598045, 649306, 683480, 927580, 956872, 1196090, 1298612, 1623265, 1855160, 2272571, 2392180, 2597224, 3246530, 4545142, 4784360, 6493060, 9090284, 11362855, 12986120, 18180568, 22725710, 45451420, 90902840]

約数ペア:

[(1, 90902840), (2, 45451420), (4, 22725710), (5, 18180568), (7, 12986120), (8, 11362855), (10, 9090284), (14, 6493060), (19, 4784360), (20, 4545142), (28, 3246530), (35, 2597224), (38, 2392180), (40, 2272571), (49, 1855160), (56, 1623265), (70, 1298612), (76, 1196090), (95, 956872), (98, 927580), (133, 683480), (140, 649306), (152, 598045), (190, 478436), (196, 463790), (245, 371032), (266, 341740), (280, 324653), (380, 239218), (392, 231895), (490, 185516), (532, 170870), (665, 136696), (760, 119609), (931, 97640), (980, 92758), (1064, 85435), (1330, 68348), (1862, 48820), (1960, 46379), (2441, 37240), (2660, 34174), (3724, 24410), (4655, 19528), (4882, 18620), (5320, 17087), (7448, 12205), (9310, 9764)]