329888980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{3571}}^1$

素因数の和:3760

約数の個数: 48

約数和(自身を含む): 720115200

約数和(自身を除く): 390226220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 149, 155, 298, 310, 596, 620, 745, 1490, 2980, 3571, 4619, 7142, 9238, 14284, 17855, 18476, 23095, 35710, 46190, 71420, 92380, 110701, 221402, 442804, 532079, 553505, 1064158, 1107010, 2128316, 2214020, 2660395, 5320790, 10641580, 16494449, 32988898, 65977796, 82472245, 164944490, 329888980]

約数ペア:

[(1, 329888980), (2, 164944490), (4, 82472245), (5, 65977796), (10, 32988898), (20, 16494449), (31, 10641580), (62, 5320790), (124, 2660395), (149, 2214020), (155, 2128316), (298, 1107010), (310, 1064158), (596, 553505), (620, 532079), (745, 442804), (1490, 221402), (2980, 110701), (3571, 92380), (4619, 71420), (7142, 46190), (9238, 35710), (14284, 23095), (17855, 18476)]