291293120

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12821}}^1$

素因数の和:12909

約数の個数: 56

約数和(自身を含む): 703466208

約数和(自身を除く): 412173088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 1136, 1420, 2272, 2840, 4544, 5680, 11360, 12821, 22720, 25642, 51284, 64105, 102568, 128210, 205136, 256420, 410272, 512840, 820544, 910291, 1025680, 1820582, 2051360, 3641164, 4102720, 4551455, 7282328, 9102910, 14564656, 18205820, 29129312, 36411640, 58258624, 72823280, 145646560, 291293120]

約数ペア:

[(1, 291293120), (2, 145646560), (4, 72823280), (5, 58258624), (8, 36411640), (10, 29129312), (16, 18205820), (20, 14564656), (32, 9102910), (40, 7282328), (64, 4551455), (71, 4102720), (80, 3641164), (142, 2051360), (160, 1820582), (284, 1025680), (320, 910291), (355, 820544), (568, 512840), (710, 410272), (1136, 256420), (1420, 205136), (2272, 128210), (2840, 102568), (4544, 64105), (5680, 51284), (11360, 25642), (12821, 22720)]