31729940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{619}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 73120320

約数和(自身を除く): 41390380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 233, 466, 619, 932, 1165, 1238, 2330, 2476, 2563, 3095, 4660, 5126, 6190, 6809, 10252, 12380, 12815, 13618, 25630, 27236, 34045, 51260, 68090, 136180, 144227, 288454, 576908, 721135, 1442270, 1586497, 2884540, 3172994, 6345988, 7932485, 15864970, 31729940]

約数ペア:

[(1, 31729940), (2, 15864970), (4, 7932485), (5, 6345988), (10, 3172994), (11, 2884540), (20, 1586497), (22, 1442270), (44, 721135), (55, 576908), (110, 288454), (220, 144227), (233, 136180), (466, 68090), (619, 51260), (932, 34045), (1165, 27236), (1238, 25630), (2330, 13618), (2476, 12815), (2563, 12380), (3095, 10252), (4660, 6809), (5126, 6190)]