947248940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{787}}^1\times {\mathrm{5471}}^1$

素因数の和:6278

約数の個数: 48

約数和(自身を含む): 2173215744

約数和(自身を除く): 1225966804

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 787, 1574, 3148, 3935, 5471, 7870, 8657, 10942, 15740, 17314, 21884, 27355, 34628, 43285, 54710, 60181, 86570, 109420, 120362, 173140, 240724, 300905, 601810, 1203620, 4305677, 8611354, 17222708, 21528385, 43056770, 47362447, 86113540, 94724894, 189449788, 236812235, 473624470, 947248940]

約数ペア:

[(1, 947248940), (2, 473624470), (4, 236812235), (5, 189449788), (10, 94724894), (11, 86113540), (20, 47362447), (22, 43056770), (44, 21528385), (55, 17222708), (110, 8611354), (220, 4305677), (787, 1203620), (1574, 601810), (3148, 300905), (3935, 240724), (5471, 173140), (7870, 120362), (8657, 109420), (10942, 86570), (15740, 60181), (17314, 54710), (21884, 43285), (27355, 34628)]