155537020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{2179}}^1$

素因数の和:2314

約数の個数: 48

約数和(自身を含む): 338405760

約数和(自身を除く): 182868740

約数列:

[1, 2, 4, 5, 10, 20, 43, 83, 86, 166, 172, 215, 332, 415, 430, 830, 860, 1660, 2179, 3569, 4358, 7138, 8716, 10895, 14276, 17845, 21790, 35690, 43580, 71380, 93697, 180857, 187394, 361714, 374788, 468485, 723428, 904285, 936970, 1808570, 1873940, 3617140, 7776851, 15553702, 31107404, 38884255, 77768510, 155537020]

約数ペア:

[(1, 155537020), (2, 77768510), (4, 38884255), (5, 31107404), (10, 15553702), (20, 7776851), (43, 3617140), (83, 1873940), (86, 1808570), (166, 936970), (172, 904285), (215, 723428), (332, 468485), (415, 374788), (430, 361714), (830, 187394), (860, 180857), (1660, 93697), (2179, 71380), (3569, 43580), (4358, 35690), (7138, 21790), (8716, 17845), (10895, 14276)]