148394740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{19681}}^1$

素因数の和:19732

約数の個数: 48

約数和(自身を含む): 347190480

約数和(自身を除く): 198795740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 7540, 19681, 39362, 78724, 98405, 196810, 255853, 393620, 511706, 570749, 1023412, 1141498, 1279265, 2282996, 2558530, 2853745, 5117060, 5707490, 7419737, 11414980, 14839474, 29678948, 37098685, 74197370, 148394740]

約数ペア:

[(1, 148394740), (2, 74197370), (4, 37098685), (5, 29678948), (10, 14839474), (13, 11414980), (20, 7419737), (26, 5707490), (29, 5117060), (52, 2853745), (58, 2558530), (65, 2282996), (116, 1279265), (130, 1141498), (145, 1023412), (260, 570749), (290, 511706), (377, 393620), (580, 255853), (754, 196810), (1508, 98405), (1885, 78724), (3770, 39362), (7540, 19681)]