89286760

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:442

約数の個数: 64

約数和(自身を含む): 206064000

約数和(自身を除く): 116777240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 149, 211, 284, 298, 355, 422, 568, 596, 710, 745, 844, 1055, 1192, 1420, 1490, 1688, 2110, 2840, 2980, 4220, 5960, 8440, 10579, 14981, 21158, 29962, 31439, 42316, 52895, 59924, 62878, 74905, 84632, 105790, 119848, 125756, 149810, 157195, 211580, 251512, 299620, 314390, 423160, 599240, 628780, 1257560, 2232169, 4464338, 8928676, 11160845, 17857352, 22321690, 44643380, 89286760]

約数ペア:

[(1, 89286760), (2, 44643380), (4, 22321690), (5, 17857352), (8, 11160845), (10, 8928676), (20, 4464338), (40, 2232169), (71, 1257560), (142, 628780), (149, 599240), (211, 423160), (284, 314390), (298, 299620), (355, 251512), (422, 211580), (568, 157195), (596, 149810), (710, 125756), (745, 119848), (844, 105790), (1055, 84632), (1192, 74905), (1420, 62878), (1490, 59924), (1688, 52895), (2110, 42316), (2840, 31439), (2980, 29962), (4220, 21158), (5960, 14981), (8440, 10579)]