931847620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{419}}^1\times {\mathrm{919}}^1$

素因数の和:1369

約数の個数: 72

約数和(自身を含む): 2158430400

約数和(自身を除く): 1226582780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 419, 484, 605, 838, 919, 1210, 1676, 1838, 2095, 2420, 3676, 4190, 4595, 4609, 8380, 9190, 9218, 10109, 18380, 18436, 20218, 23045, 40436, 46090, 50545, 50699, 92180, 101090, 101398, 111199, 202180, 202796, 222398, 253495, 385061, 444796, 506990, 555995, 770122, 1013980, 1111990, 1540244, 1925305, 2223980, 3850610, 4235671, 7701220, 8471342, 16942684, 21178355, 42356710, 46592381, 84713420, 93184762, 186369524, 232961905, 465923810, 931847620]

約数ペア:

[(1, 931847620), (2, 465923810), (4, 232961905), (5, 186369524), (10, 93184762), (11, 84713420), (20, 46592381), (22, 42356710), (44, 21178355), (55, 16942684), (110, 8471342), (121, 7701220), (220, 4235671), (242, 3850610), (419, 2223980), (484, 1925305), (605, 1540244), (838, 1111990), (919, 1013980), (1210, 770122), (1676, 555995), (1838, 506990), (2095, 444796), (2420, 385061), (3676, 253495), (4190, 222398), (4595, 202796), (4609, 202180), (8380, 111199), (9190, 101398), (9218, 101090), (10109, 92180), (18380, 50699), (18436, 50545), (20218, 46090), (23045, 40436)]