12985668860

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{82219}}^1$

素因数の和:82430

約数の個数: 48

約数和(自身を含む): 27971244000

約数和(自身を除く): 14985575140

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 149, 212, 265, 298, 530, 596, 745, 1060, 1490, 2980, 7897, 15794, 31588, 39485, 78970, 82219, 157940, 164438, 328876, 411095, 822190, 1644380, 4357607, 8715214, 12250631, 17430428, 21788035, 24501262, 43576070, 49002524, 61253155, 87152140, 122506310, 245012620, 649283443, 1298566886, 2597133772, 3246417215, 6492834430, 12985668860]

約数ペア:

[(1, 12985668860), (2, 6492834430), (4, 3246417215), (5, 2597133772), (10, 1298566886), (20, 649283443), (53, 245012620), (106, 122506310), (149, 87152140), (212, 61253155), (265, 49002524), (298, 43576070), (530, 24501262), (596, 21788035), (745, 17430428), (1060, 12250631), (1490, 8715214), (2980, 4357607), (7897, 1644380), (15794, 822190), (31588, 411095), (39485, 328876), (78970, 164438), (82219, 157940)]