222555320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{427991}}^1$

素因数の和:428015

約数の個数: 32

約数和(自身を含む): 539269920

約数和(自身を除く): 316714600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 427991, 855982, 1711964, 2139955, 3423928, 4279910, 5563883, 8559820, 11127766, 17119640, 22255532, 27819415, 44511064, 55638830, 111277660, 222555320]

約数ペア:

[(1, 222555320), (2, 111277660), (4, 55638830), (5, 44511064), (8, 27819415), (10, 22255532), (13, 17119640), (20, 11127766), (26, 8559820), (40, 5563883), (52, 4279910), (65, 3423928), (104, 2139955), (130, 1711964), (260, 855982), (520, 427991)]