859906840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{449}}^1$

素因数の和:629

約数の個数: 128

約数和(自身を含む): 2177280000

約数和(自身を除く): 1317373160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 127, 130, 145, 232, 254, 260, 290, 377, 449, 508, 520, 580, 635, 754, 898, 1016, 1160, 1270, 1508, 1651, 1796, 1885, 2245, 2540, 3016, 3302, 3592, 3683, 3770, 4490, 5080, 5837, 6604, 7366, 7540, 8255, 8980, 11674, 13021, 13208, 14732, 15080, 16510, 17960, 18415, 23348, 26042, 29185, 29464, 33020, 36830, 46696, 47879, 52084, 57023, 58370, 65105, 66040, 73660, 95758, 104168, 114046, 116740, 130210, 147320, 169273, 191516, 228092, 233480, 239395, 260420, 285115, 338546, 383032, 456184, 478790, 520840, 570230, 677092, 741299, 846365, 957580, 1140460, 1354184, 1482598, 1653667, 1692730, 1915160, 2280920, 2965196, 3307334, 3385460, 3706495, 5930392, 6614668, 6770920, 7412990, 8268335, 13229336, 14825980, 16536670, 21497671, 29651960, 33073340, 42995342, 66146680, 85990684, 107488355, 171981368, 214976710, 429953420, 859906840]

約数ペア:

[(1, 859906840), (2, 429953420), (4, 214976710), (5, 171981368), (8, 107488355), (10, 85990684), (13, 66146680), (20, 42995342), (26, 33073340), (29, 29651960), (40, 21497671), (52, 16536670), (58, 14825980), (65, 13229336), (104, 8268335), (116, 7412990), (127, 6770920), (130, 6614668), (145, 5930392), (232, 3706495), (254, 3385460), (260, 3307334), (290, 2965196), (377, 2280920), (449, 1915160), (508, 1692730), (520, 1653667), (580, 1482598), (635, 1354184), (754, 1140460), (898, 957580), (1016, 846365), (1160, 741299), (1270, 677092), (1508, 570230), (1651, 520840), (1796, 478790), (1885, 456184), (2245, 383032), (2540, 338546), (3016, 285115), (3302, 260420), (3592, 239395), (3683, 233480), (3770, 228092), (4490, 191516), (5080, 169273), (5837, 147320), (6604, 130210), (7366, 116740), (7540, 114046), (8255, 104168), (8980, 95758), (11674, 73660), (13021, 66040), (13208, 65105), (14732, 58370), (15080, 57023), (16510, 52084), (17960, 47879), (18415, 46696), (23348, 36830), (26042, 33020), (29185, 29464)]