1718020660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{149}}^1\times {\mathrm{1597}}^1$

素因数の和:1793

約数の個数: 72

約数和(自身を含む): 3835679400

約数和(自身を除く): 2117658740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 149, 190, 298, 361, 380, 596, 722, 745, 1444, 1490, 1597, 1805, 2831, 2980, 3194, 3610, 5662, 6388, 7220, 7985, 11324, 14155, 15970, 28310, 30343, 31940, 53789, 56620, 60686, 107578, 121372, 151715, 215156, 237953, 268945, 303430, 475906, 537890, 576517, 606860, 951812, 1075780, 1153034, 1189765, 2306068, 2379530, 2882585, 4521107, 4759060, 5765170, 9042214, 11530340, 18084428, 22605535, 45211070, 85901033, 90422140, 171802066, 343604132, 429505165, 859010330, 1718020660]

約数ペア:

[(1, 1718020660), (2, 859010330), (4, 429505165), (5, 343604132), (10, 171802066), (19, 90422140), (20, 85901033), (38, 45211070), (76, 22605535), (95, 18084428), (149, 11530340), (190, 9042214), (298, 5765170), (361, 4759060), (380, 4521107), (596, 2882585), (722, 2379530), (745, 2306068), (1444, 1189765), (1490, 1153034), (1597, 1075780), (1805, 951812), (2831, 606860), (2980, 576517), (3194, 537890), (3610, 475906), (5662, 303430), (6388, 268945), (7220, 237953), (7985, 215156), (11324, 151715), (14155, 121372), (15970, 107578), (28310, 60686), (30343, 56620), (31940, 53789)]