219620720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{2423}}^1$

素因数の和:2550

約数の個数: 80

約数和(自身を含む): 562678272

約数和(自身を除く): 343057552

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 103, 110, 176, 206, 220, 412, 440, 515, 824, 880, 1030, 1133, 1648, 2060, 2266, 2423, 4120, 4532, 4846, 5665, 8240, 9064, 9692, 11330, 12115, 18128, 19384, 22660, 24230, 26653, 38768, 45320, 48460, 53306, 90640, 96920, 106612, 133265, 193840, 213224, 249569, 266530, 426448, 499138, 533060, 998276, 1066120, 1247845, 1996552, 2132240, 2495690, 2745259, 3993104, 4991380, 5490518, 9982760, 10981036, 13726295, 19965520, 21962072, 27452590, 43924144, 54905180, 109810360, 219620720]

約数ペア:

[(1, 219620720), (2, 109810360), (4, 54905180), (5, 43924144), (8, 27452590), (10, 21962072), (11, 19965520), (16, 13726295), (20, 10981036), (22, 9982760), (40, 5490518), (44, 4991380), (55, 3993104), (80, 2745259), (88, 2495690), (103, 2132240), (110, 1996552), (176, 1247845), (206, 1066120), (220, 998276), (412, 533060), (440, 499138), (515, 426448), (824, 266530), (880, 249569), (1030, 213224), (1133, 193840), (1648, 133265), (2060, 106612), (2266, 96920), (2423, 90640), (4120, 53306), (4532, 48460), (4846, 45320), (5665, 38768), (8240, 26653), (9064, 24230), (9692, 22660), (11330, 19384), (12115, 18128)]