206982040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2351}}^1$

素因数の和:2464

約数の個数: 64

約数和(自身を含む): 487710720

約数和(自身を除く): 280728680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 142, 155, 248, 284, 310, 355, 568, 620, 710, 1240, 1420, 2201, 2351, 2840, 4402, 4702, 8804, 9404, 11005, 11755, 17608, 18808, 22010, 23510, 44020, 47020, 72881, 88040, 94040, 145762, 166921, 291524, 333842, 364405, 583048, 667684, 728810, 834605, 1335368, 1457620, 1669210, 2915240, 3338420, 5174551, 6676840, 10349102, 20698204, 25872755, 41396408, 51745510, 103491020, 206982040]

約数ペア:

[(1, 206982040), (2, 103491020), (4, 51745510), (5, 41396408), (8, 25872755), (10, 20698204), (20, 10349102), (31, 6676840), (40, 5174551), (62, 3338420), (71, 2915240), (124, 1669210), (142, 1457620), (155, 1335368), (248, 834605), (284, 728810), (310, 667684), (355, 583048), (568, 364405), (620, 333842), (710, 291524), (1240, 166921), (1420, 145762), (2201, 94040), (2351, 88040), (2840, 72881), (4402, 47020), (4702, 44020), (8804, 23510), (9404, 22010), (11005, 18808), (11755, 17608)]