889720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:112

約数の個数: 64

約数和(自身を含む): 2268000

約数和(自身を除く): 1378280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 59, 65, 104, 116, 118, 130, 145, 232, 236, 260, 290, 295, 377, 472, 520, 580, 590, 754, 767, 1160, 1180, 1508, 1534, 1711, 1885, 2360, 3016, 3068, 3422, 3770, 3835, 6136, 6844, 7540, 7670, 8555, 13688, 15080, 15340, 17110, 22243, 30680, 34220, 44486, 68440, 88972, 111215, 177944, 222430, 444860, 889720]

約数ペア:

[(1, 889720), (2, 444860), (4, 222430), (5, 177944), (8, 111215), (10, 88972), (13, 68440), (20, 44486), (26, 34220), (29, 30680), (40, 22243), (52, 17110), (58, 15340), (59, 15080), (65, 13688), (104, 8555), (116, 7670), (118, 7540), (130, 6844), (145, 6136), (232, 3835), (236, 3770), (260, 3422), (290, 3068), (295, 3016), (377, 2360), (472, 1885), (520, 1711), (580, 1534), (590, 1508), (754, 1180), (767, 1160)]