223813720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{430411}}^1$

素因数の和:430435

約数の個数: 32

約数和(自身を含む): 542319120

約数和(自身を除く): 318505400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 430411, 860822, 1721644, 2152055, 3443288, 4304110, 5595343, 8608220, 11190686, 17216440, 22381372, 27976715, 44762744, 55953430, 111906860, 223813720]

約数ペア:

[(1, 223813720), (2, 111906860), (4, 55953430), (5, 44762744), (8, 27976715), (10, 22381372), (13, 17216440), (20, 11190686), (26, 8608220), (40, 5595343), (52, 4304110), (65, 3443288), (104, 2152055), (130, 1721644), (260, 860822), (520, 430411)]