81588100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4363}}^1$

素因数の和:4405

約数の個数: 72

約数和(自身を含む): 204549408

約数和(自身を除く): 122961308

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 68, 85, 100, 110, 170, 187, 220, 275, 340, 374, 425, 550, 748, 850, 935, 1100, 1700, 1870, 3740, 4363, 4675, 8726, 9350, 17452, 18700, 21815, 43630, 47993, 74171, 87260, 95986, 109075, 148342, 191972, 218150, 239965, 296684, 370855, 436300, 479930, 741710, 815881, 959860, 1199825, 1483420, 1631762, 1854275, 2399650, 3263524, 3708550, 4079405, 4799300, 7417100, 8158810, 16317620, 20397025, 40794050, 81588100]

約数ペア:

[(1, 81588100), (2, 40794050), (4, 20397025), (5, 16317620), (10, 8158810), (11, 7417100), (17, 4799300), (20, 4079405), (22, 3708550), (25, 3263524), (34, 2399650), (44, 1854275), (50, 1631762), (55, 1483420), (68, 1199825), (85, 959860), (100, 815881), (110, 741710), (170, 479930), (187, 436300), (220, 370855), (275, 296684), (340, 239965), (374, 218150), (425, 191972), (550, 148342), (748, 109075), (850, 95986), (935, 87260), (1100, 74171), (1700, 47993), (1870, 43630), (3740, 21815), (4363, 18700), (4675, 17452), (8726, 9350)]