118907960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:512

約数の個数: 64

約数和(自身を含む): 274104000

約数和(自身を除く): 155196040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 149, 281, 284, 298, 355, 562, 568, 596, 710, 745, 1124, 1192, 1405, 1420, 1490, 2248, 2810, 2840, 2980, 5620, 5960, 10579, 11240, 19951, 21158, 39902, 41869, 42316, 52895, 79804, 83738, 84632, 99755, 105790, 159608, 167476, 199510, 209345, 211580, 334952, 399020, 418690, 423160, 798040, 837380, 1674760, 2972699, 5945398, 11890796, 14863495, 23781592, 29726990, 59453980, 118907960]

約数ペア:

[(1, 118907960), (2, 59453980), (4, 29726990), (5, 23781592), (8, 14863495), (10, 11890796), (20, 5945398), (40, 2972699), (71, 1674760), (142, 837380), (149, 798040), (281, 423160), (284, 418690), (298, 399020), (355, 334952), (562, 211580), (568, 209345), (596, 199510), (710, 167476), (745, 159608), (1124, 105790), (1192, 99755), (1405, 84632), (1420, 83738), (1490, 79804), (2248, 52895), (2810, 42316), (2840, 41869), (2980, 39902), (5620, 21158), (5960, 19951), (10579, 11240)]