8497940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{107}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 20738592

約数和(自身を除く): 12240652

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 107, 110, 190, 209, 214, 220, 361, 380, 418, 428, 535, 722, 836, 1045, 1070, 1177, 1444, 1805, 2033, 2090, 2140, 2354, 3610, 3971, 4066, 4180, 4708, 5885, 7220, 7942, 8132, 10165, 11770, 15884, 19855, 20330, 22363, 23540, 38627, 39710, 40660, 44726, 77254, 79420, 89452, 111815, 154508, 193135, 223630, 386270, 424897, 447260, 772540, 849794, 1699588, 2124485, 4248970, 8497940]

約数ペア:

[(1, 8497940), (2, 4248970), (4, 2124485), (5, 1699588), (10, 849794), (11, 772540), (19, 447260), (20, 424897), (22, 386270), (38, 223630), (44, 193135), (55, 154508), (76, 111815), (95, 89452), (107, 79420), (110, 77254), (190, 44726), (209, 40660), (214, 39710), (220, 38627), (361, 23540), (380, 22363), (418, 20330), (428, 19855), (535, 15884), (722, 11770), (836, 10165), (1045, 8132), (1070, 7942), (1177, 7220), (1444, 5885), (1805, 4708), (2033, 4180), (2090, 4066), (2140, 3971), (2354, 3610)]