9781725880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{350851}}^1$

素因数の和:350920

約数の個数: 64

約数和(自身を含む): 23871970080

約数和(自身を除く): 14090244200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 328, 340, 410, 680, 697, 820, 1394, 1640, 2788, 3485, 5576, 6970, 13940, 27880, 350851, 701702, 1403404, 1754255, 2806808, 3508510, 5964467, 7017020, 11928934, 14034040, 14384891, 23857868, 28769782, 29822335, 47715736, 57539564, 59644670, 71924455, 115079128, 119289340, 143848910, 238578680, 244543147, 287697820, 489086294, 575395640, 978172588, 1222715735, 1956345176, 2445431470, 4890862940, 9781725880]

約数ペア:

[(1, 9781725880), (2, 4890862940), (4, 2445431470), (5, 1956345176), (8, 1222715735), (10, 978172588), (17, 575395640), (20, 489086294), (34, 287697820), (40, 244543147), (41, 238578680), (68, 143848910), (82, 119289340), (85, 115079128), (136, 71924455), (164, 59644670), (170, 57539564), (205, 47715736), (328, 29822335), (340, 28769782), (410, 23857868), (680, 14384891), (697, 14034040), (820, 11928934), (1394, 7017020), (1640, 5964467), (2788, 3508510), (3485, 2806808), (5576, 1754255), (6970, 1403404), (13940, 701702), (27880, 350851)]