1999812740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{149911}}^1$

素因数の和:149972

約数の個数: 48

約数和(自身を含む): 4533338880

約数和(自身を除く): 2533526140

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 92, 115, 116, 145, 230, 290, 460, 580, 667, 1334, 2668, 3335, 6670, 13340, 149911, 299822, 599644, 749555, 1499110, 2998220, 3447953, 4347419, 6895906, 8694838, 13791812, 17239765, 17389676, 21737095, 34479530, 43474190, 68959060, 86948380, 99990637, 199981274, 399962548, 499953185, 999906370, 1999812740]

約数ペア:

[(1, 1999812740), (2, 999906370), (4, 499953185), (5, 399962548), (10, 199981274), (20, 99990637), (23, 86948380), (29, 68959060), (46, 43474190), (58, 34479530), (92, 21737095), (115, 17389676), (116, 17239765), (145, 13791812), (230, 8694838), (290, 6895906), (460, 4347419), (580, 3447953), (667, 2998220), (1334, 1499110), (2668, 749555), (3335, 599644), (6670, 299822), (13340, 149911)]