2498320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:208

約数の個数: 80

約数和(自身を含む): 6749568

約数和(自身を除く): 4251248

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 167, 170, 176, 187, 220, 272, 334, 340, 374, 440, 668, 680, 748, 835, 880, 935, 1336, 1360, 1496, 1670, 1837, 1870, 2672, 2839, 2992, 3340, 3674, 3740, 5678, 6680, 7348, 7480, 9185, 11356, 13360, 14195, 14696, 14960, 18370, 22712, 28390, 29392, 31229, 36740, 45424, 56780, 62458, 73480, 113560, 124916, 146960, 156145, 227120, 249832, 312290, 499664, 624580, 1249160, 2498320]

約数ペア:

[(1, 2498320), (2, 1249160), (4, 624580), (5, 499664), (8, 312290), (10, 249832), (11, 227120), (16, 156145), (17, 146960), (20, 124916), (22, 113560), (34, 73480), (40, 62458), (44, 56780), (55, 45424), (68, 36740), (80, 31229), (85, 29392), (88, 28390), (110, 22712), (136, 18370), (167, 14960), (170, 14696), (176, 14195), (187, 13360), (220, 11356), (272, 9185), (334, 7480), (340, 7348), (374, 6680), (440, 5678), (668, 3740), (680, 3674), (748, 3340), (835, 2992), (880, 2839), (935, 2672), (1336, 1870), (1360, 1837), (1496, 1670)]