621870920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{827}}^1\times {\mathrm{1709}}^1$

素因数の和:2558

約数の個数: 64

約数和(自身を含む): 1529150400

約数和(自身を除く): 907279480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 827, 1654, 1709, 3308, 3418, 4135, 6616, 6836, 8270, 8545, 9097, 13672, 16540, 17090, 18194, 18799, 33080, 34180, 36388, 37598, 45485, 68360, 72776, 75196, 90970, 93995, 150392, 181940, 187990, 363880, 375980, 751960, 1413343, 2826686, 5653372, 7066715, 11306744, 14133430, 15546773, 28266860, 31093546, 56533720, 62187092, 77733865, 124374184, 155467730, 310935460, 621870920]

約数ペア:

[(1, 621870920), (2, 310935460), (4, 155467730), (5, 124374184), (8, 77733865), (10, 62187092), (11, 56533720), (20, 31093546), (22, 28266860), (40, 15546773), (44, 14133430), (55, 11306744), (88, 7066715), (110, 5653372), (220, 2826686), (440, 1413343), (827, 751960), (1654, 375980), (1709, 363880), (3308, 187990), (3418, 181940), (4135, 150392), (6616, 93995), (6836, 90970), (8270, 75196), (8545, 72776), (9097, 68360), (13672, 45485), (16540, 37598), (17090, 36388), (18194, 34180), (18799, 33080)]