1999461620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{130343}}^1$

素因数の和:130424

約数の個数: 48

約数和(自身を含む): 4598536320

約数和(自身を除く): 2599074700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 590, 767, 1180, 1534, 3068, 3835, 7670, 15340, 130343, 260686, 521372, 651715, 1303430, 1694459, 2606860, 3388918, 6777836, 7690237, 8472295, 15380474, 16944590, 30760948, 33889180, 38451185, 76902370, 99973081, 153804740, 199946162, 399892324, 499865405, 999730810, 1999461620]

約数ペア:

[(1, 1999461620), (2, 999730810), (4, 499865405), (5, 399892324), (10, 199946162), (13, 153804740), (20, 99973081), (26, 76902370), (52, 38451185), (59, 33889180), (65, 30760948), (118, 16944590), (130, 15380474), (236, 8472295), (260, 7690237), (295, 6777836), (590, 3388918), (767, 2606860), (1180, 1694459), (1534, 1303430), (3068, 651715), (3835, 521372), (7670, 260686), (15340, 130343)]