71799940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1567}}^1$

素因数の和:1684

約数の個数: 48

約数和(自身を含む): 158054400

約数和(自身を除く): 86254460

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 79, 116, 145, 158, 290, 316, 395, 580, 790, 1567, 1580, 2291, 3134, 4582, 6268, 7835, 9164, 11455, 15670, 22910, 31340, 45443, 45820, 90886, 123793, 181772, 227215, 247586, 454430, 495172, 618965, 908860, 1237930, 2475860, 3589997, 7179994, 14359988, 17949985, 35899970, 71799940]

約数ペア:

[(1, 71799940), (2, 35899970), (4, 17949985), (5, 14359988), (10, 7179994), (20, 3589997), (29, 2475860), (58, 1237930), (79, 908860), (116, 618965), (145, 495172), (158, 454430), (290, 247586), (316, 227215), (395, 181772), (580, 123793), (790, 90886), (1567, 45820), (1580, 45443), (2291, 31340), (3134, 22910), (4582, 15670), (6268, 11455), (7835, 9164)]