255523970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103451}}^1$

素因数の和:103490

約数の個数: 32

約数和(自身を含む): 521398080

約数和(自身を除く): 265874110

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 103451, 206902, 517255, 1034510, 1344863, 1965569, 2689726, 3931138, 6724315, 9827845, 13448630, 19655690, 25552397, 51104794, 127761985, 255523970]

約数ペア:

[(1, 255523970), (2, 127761985), (5, 51104794), (10, 25552397), (13, 19655690), (19, 13448630), (26, 9827845), (38, 6724315), (65, 3931138), (95, 2689726), (130, 1965569), (190, 1344863), (247, 1034510), (494, 517255), (1235, 206902), (2470, 103451)]