129444920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{12791}}^1$

素因数の和:12836

約数の個数: 64

約数和(自身を含む): 331568640

約数和(自身を除く): 202123720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 10120, 12791, 25582, 51164, 63955, 102328, 127910, 140701, 255820, 281402, 294193, 511640, 562804, 588386, 703505, 1125608, 1176772, 1407010, 1470965, 2353544, 2814020, 2941930, 3236123, 5628040, 5883860, 6472246, 11767720, 12944492, 16180615, 25888984, 32361230, 64722460, 129444920]

約数ペア:

[(1, 129444920), (2, 64722460), (4, 32361230), (5, 25888984), (8, 16180615), (10, 12944492), (11, 11767720), (20, 6472246), (22, 5883860), (23, 5628040), (40, 3236123), (44, 2941930), (46, 2814020), (55, 2353544), (88, 1470965), (92, 1407010), (110, 1176772), (115, 1125608), (184, 703505), (220, 588386), (230, 562804), (253, 511640), (440, 294193), (460, 281402), (506, 255820), (920, 140701), (1012, 127910), (1265, 102328), (2024, 63955), (2530, 51164), (5060, 25582), (10120, 12791)]