191861800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{677}}^1$

素因数の和:815

約数の個数: 96

約数和(自身を含む): 485515800

約数和(自身を除く): 293654000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 109, 130, 200, 218, 260, 325, 436, 520, 545, 650, 677, 872, 1090, 1300, 1354, 1417, 2180, 2600, 2708, 2725, 2834, 3385, 4360, 5416, 5450, 5668, 6770, 7085, 8801, 10900, 11336, 13540, 14170, 16925, 17602, 21800, 27080, 28340, 33850, 35204, 35425, 44005, 56680, 67700, 70408, 70850, 73793, 88010, 135400, 141700, 147586, 176020, 220025, 283400, 295172, 352040, 368965, 440050, 590344, 737930, 880100, 959309, 1475860, 1760200, 1844825, 1918618, 2951720, 3689650, 3837236, 4796545, 7379300, 7674472, 9593090, 14758600, 19186180, 23982725, 38372360, 47965450, 95930900, 191861800]

約数ペア:

[(1, 191861800), (2, 95930900), (4, 47965450), (5, 38372360), (8, 23982725), (10, 19186180), (13, 14758600), (20, 9593090), (25, 7674472), (26, 7379300), (40, 4796545), (50, 3837236), (52, 3689650), (65, 2951720), (100, 1918618), (104, 1844825), (109, 1760200), (130, 1475860), (200, 959309), (218, 880100), (260, 737930), (325, 590344), (436, 440050), (520, 368965), (545, 352040), (650, 295172), (677, 283400), (872, 220025), (1090, 176020), (1300, 147586), (1354, 141700), (1417, 135400), (2180, 88010), (2600, 73793), (2708, 70850), (2725, 70408), (2834, 67700), (3385, 56680), (4360, 44005), (5416, 35425), (5450, 35204), (5668, 33850), (6770, 28340), (7085, 27080), (8801, 21800), (10900, 17602), (11336, 16925), (13540, 14170)]