17761637380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{313699}}^1$

素因数の和:313876

約数の個数: 48

約数和(自身を含む): 39526200000

約数和(自身を除く): 21764562620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 149, 190, 298, 380, 596, 745, 1490, 2831, 2980, 5662, 11324, 14155, 28310, 56620, 313699, 627398, 1254796, 1568495, 3136990, 5960281, 6273980, 11920562, 23841124, 29801405, 46741151, 59602810, 93482302, 119205620, 186964604, 233705755, 467411510, 888081869, 934823020, 1776163738, 3552327476, 4440409345, 8880818690, 17761637380]

約数ペア:

[(1, 17761637380), (2, 8880818690), (4, 4440409345), (5, 3552327476), (10, 1776163738), (19, 934823020), (20, 888081869), (38, 467411510), (76, 233705755), (95, 186964604), (149, 119205620), (190, 93482302), (298, 59602810), (380, 46741151), (596, 29801405), (745, 23841124), (1490, 11920562), (2831, 6273980), (2980, 5960281), (5662, 3136990), (11324, 1568495), (14155, 1254796), (28310, 627398), (56620, 313699)]