291329127940

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{6299}}^1\times {\mathrm{6551}}^1$

素因数の和:13212

約数の個数: 48

約数和(自身を含む): 613715356800

約数和(自身を除く): 322386228860

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 3530, 6299, 6551, 7060, 12598, 13102, 25196, 26204, 31495, 32755, 62990, 65510, 125980, 131020, 2223547, 2312503, 4447094, 4625006, 8894188, 9250012, 11117735, 11562515, 22235470, 23125030, 41264749, 44470940, 46250060, 82529498, 165058996, 206323745, 412647490, 825294980, 14566456397, 29132912794, 58265825588, 72832281985, 145664563970, 291329127940]

約数ペア:

[(1, 291329127940), (2, 145664563970), (4, 72832281985), (5, 58265825588), (10, 29132912794), (20, 14566456397), (353, 825294980), (706, 412647490), (1412, 206323745), (1765, 165058996), (3530, 82529498), (6299, 46250060), (6551, 44470940), (7060, 41264749), (12598, 23125030), (13102, 22235470), (25196, 11562515), (26204, 11117735), (31495, 9250012), (32755, 8894188), (62990, 4625006), (65510, 4447094), (125980, 2312503), (131020, 2223547)]