201821209850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1\times {\mathrm{9587}}^1$

素因数の和:9984

約数の個数: 96

約数和(自身を含む): 408961949760

約数和(自身を除く): 207140739910

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 139, 233, 278, 325, 466, 650, 695, 1165, 1390, 1807, 2330, 3029, 3475, 3614, 5825, 6058, 6950, 9035, 9587, 11650, 15145, 18070, 19174, 30290, 32387, 45175, 47935, 64774, 75725, 90350, 95870, 124631, 151450, 161935, 239675, 249262, 323870, 421031, 479350, 623155, 809675, 842062, 1246310, 1332593, 1619350, 2105155, 2233771, 2665186, 3115775, 4210310, 4467542, 6231550, 6662965, 10525775, 11168855, 13325930, 17323709, 21051550, 22337710, 29039023, 33314825, 34647418, 55844275, 58078046, 66629650, 86618545, 111688550, 145195115, 173237090, 290390230, 310494169, 433092725, 620988338, 725975575, 866185450, 1451951150, 1552470845, 3104941690, 4036424197, 7762354225, 8072848394, 15524708450, 20182120985, 40364241970, 100910604925, 201821209850]

約数ペア:

[(1, 201821209850), (2, 100910604925), (5, 40364241970), (10, 20182120985), (13, 15524708450), (25, 8072848394), (26, 7762354225), (50, 4036424197), (65, 3104941690), (130, 1552470845), (139, 1451951150), (233, 866185450), (278, 725975575), (325, 620988338), (466, 433092725), (650, 310494169), (695, 290390230), (1165, 173237090), (1390, 145195115), (1807, 111688550), (2330, 86618545), (3029, 66629650), (3475, 58078046), (3614, 55844275), (5825, 34647418), (6058, 33314825), (6950, 29039023), (9035, 22337710), (9587, 21051550), (11650, 17323709), (15145, 13325930), (18070, 11168855), (19174, 10525775), (30290, 6662965), (32387, 6231550), (45175, 4467542), (47935, 4210310), (64774, 3115775), (75725, 2665186), (90350, 2233771), (95870, 2105155), (124631, 1619350), (151450, 1332593), (161935, 1246310), (239675, 842062), (249262, 809675), (323870, 623155), (421031, 479350)]