355295960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{821}}^1$

素因数の和:1212

約数の個数: 64

約数和(自身を含む): 828576000

約数和(自身を除く): 473280040

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 349, 620, 698, 821, 1240, 1396, 1642, 1745, 2792, 3284, 3490, 4105, 6568, 6980, 8210, 10819, 13960, 16420, 21638, 25451, 32840, 43276, 50902, 54095, 86552, 101804, 108190, 127255, 203608, 216380, 254510, 286529, 432760, 509020, 573058, 1018040, 1146116, 1432645, 2292232, 2865290, 5730580, 8882399, 11461160, 17764798, 35529596, 44411995, 71059192, 88823990, 177647980, 355295960]

約数ペア:

[(1, 355295960), (2, 177647980), (4, 88823990), (5, 71059192), (8, 44411995), (10, 35529596), (20, 17764798), (31, 11461160), (40, 8882399), (62, 5730580), (124, 2865290), (155, 2292232), (248, 1432645), (310, 1146116), (349, 1018040), (620, 573058), (698, 509020), (821, 432760), (1240, 286529), (1396, 254510), (1642, 216380), (1745, 203608), (2792, 127255), (3284, 108190), (3490, 101804), (4105, 86552), (6568, 54095), (6980, 50902), (8210, 43276), (10819, 32840), (13960, 25451), (16420, 21638)]