266911720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{93983}}^1$

素因数の和:94065

約数の個数: 32

約数和(自身を含む): 609016320

約数和(自身を除く): 342104600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 93983, 187966, 375932, 469915, 751864, 939830, 1879660, 3759320, 6672793, 13345586, 26691172, 33363965, 53382344, 66727930, 133455860, 266911720]

約数ペア:

[(1, 266911720), (2, 133455860), (4, 66727930), (5, 53382344), (8, 33363965), (10, 26691172), (20, 13345586), (40, 6672793), (71, 3759320), (142, 1879660), (284, 939830), (355, 751864), (568, 469915), (710, 375932), (1420, 187966), (2840, 93983)]