902857390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{383}}^1\times {\mathrm{653}}^1$

素因数の和:1081

約数の個数: 48

約数和(自身を含む): 1722290688

約数和(自身を除く): 819433298

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 383, 653, 722, 766, 1306, 1805, 1915, 3265, 3610, 3830, 6530, 7277, 12407, 14554, 24814, 36385, 62035, 72770, 124070, 138263, 235733, 250099, 276526, 471466, 500198, 691315, 1178665, 1250495, 1382630, 2357330, 2500990, 4751881, 9503762, 23759405, 47518810, 90285739, 180571478, 451428695, 902857390]

約数ペア:

[(1, 902857390), (2, 451428695), (5, 180571478), (10, 90285739), (19, 47518810), (38, 23759405), (95, 9503762), (190, 4751881), (361, 2500990), (383, 2357330), (653, 1382630), (722, 1250495), (766, 1178665), (1306, 691315), (1805, 500198), (1915, 471466), (3265, 276526), (3610, 250099), (3830, 235733), (6530, 138263), (7277, 124070), (12407, 72770), (14554, 62035), (24814, 36385)]