31272340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3467}}^1$

素因数の和:3528

約数の個数: 48

約数和(自身を含む): 73410624

約数和(自身を除く): 42138284

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 3467, 4510, 6934, 9020, 13868, 17335, 34670, 38137, 69340, 76274, 142147, 152548, 190685, 284294, 381370, 568588, 710735, 762740, 1421470, 1563617, 2842940, 3127234, 6254468, 7818085, 15636170, 31272340]

約数ペア:

[(1, 31272340), (2, 15636170), (4, 7818085), (5, 6254468), (10, 3127234), (11, 2842940), (20, 1563617), (22, 1421470), (41, 762740), (44, 710735), (55, 568588), (82, 381370), (110, 284294), (164, 190685), (205, 152548), (220, 142147), (410, 76274), (451, 69340), (820, 38137), (902, 34670), (1804, 17335), (2255, 13868), (3467, 9020), (4510, 6934)]