217456720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{9091}}^1$

素因数の和:9140

約数の個数: 80

約数和(自身を含む): 568213632

約数和(自身を除く): 350756912

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1840, 2392, 2990, 4784, 5980, 9091, 11960, 18182, 23920, 36364, 45455, 72728, 90910, 118183, 145456, 181820, 209093, 236366, 363640, 418186, 472732, 590915, 727280, 836372, 945464, 1045465, 1181830, 1672744, 1890928, 2090930, 2363660, 2718209, 3345488, 4181860, 4727320, 5436418, 8363720, 9454640, 10872836, 13591045, 16727440, 21745672, 27182090, 43491344, 54364180, 108728360, 217456720]

約数ペア:

[(1, 217456720), (2, 108728360), (4, 54364180), (5, 43491344), (8, 27182090), (10, 21745672), (13, 16727440), (16, 13591045), (20, 10872836), (23, 9454640), (26, 8363720), (40, 5436418), (46, 4727320), (52, 4181860), (65, 3345488), (80, 2718209), (92, 2363660), (104, 2090930), (115, 1890928), (130, 1672744), (184, 1181830), (208, 1045465), (230, 945464), (260, 836372), (299, 727280), (368, 590915), (460, 472732), (520, 418186), (598, 363640), (920, 236366), (1040, 209093), (1196, 181820), (1495, 145456), (1840, 118183), (2392, 90910), (2990, 72728), (4784, 45455), (5980, 36364), (9091, 23920), (11960, 18182)]