520072122220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1721}}^1\times {\mathrm{308359}}^1$

素因数の和:310103

約数の個数: 72

約数和(自身を含む): 1271204232480

約数和(自身を除く): 751132110260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1721, 3442, 6884, 8605, 12047, 17210, 24094, 34420, 48188, 60235, 84329, 120470, 168658, 240940, 308359, 337316, 421645, 616718, 843290, 1233436, 1541795, 1686580, 2158513, 3083590, 4317026, 6167180, 8634052, 10792565, 15109591, 21585130, 30219182, 43170260, 60438364, 75547955, 151095910, 302191820, 530685839, 1061371678, 2122743356, 2653429195, 3714800873, 5306858390, 7429601746, 10613716780, 14859203492, 18574004365, 26003606111, 37148008730, 52007212222, 74296017460, 104014424444, 130018030555, 260036061110, 520072122220]

約数ペア:

[(1, 520072122220), (2, 260036061110), (4, 130018030555), (5, 104014424444), (7, 74296017460), (10, 52007212222), (14, 37148008730), (20, 26003606111), (28, 18574004365), (35, 14859203492), (49, 10613716780), (70, 7429601746), (98, 5306858390), (140, 3714800873), (196, 2653429195), (245, 2122743356), (490, 1061371678), (980, 530685839), (1721, 302191820), (3442, 151095910), (6884, 75547955), (8605, 60438364), (12047, 43170260), (17210, 30219182), (24094, 21585130), (34420, 15109591), (48188, 10792565), (60235, 8634052), (84329, 6167180), (120470, 4317026), (168658, 3083590), (240940, 2158513), (308359, 1686580), (337316, 1541795), (421645, 1233436), (616718, 843290)]