290653020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{593}}^1$

素因数の和:1004

約数の個数: 144

約数和(自身を含む): 1011890880

約数和(自身を除く): 721237860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 389, 420, 593, 630, 778, 1167, 1186, 1260, 1556, 1779, 1945, 2334, 2372, 2723, 2965, 3501, 3558, 3890, 4151, 4668, 5337, 5446, 5835, 5930, 7002, 7116, 7780, 8169, 8302, 8895, 10674, 10892, 11670, 11860, 12453, 13615, 14004, 16338, 16604, 17505, 17790, 20755, 21348, 23340, 24507, 24906, 26685, 27230, 32676, 35010, 35580, 37359, 40845, 41510, 49014, 49812, 53370, 54460, 62265, 70020, 74718, 81690, 83020, 98028, 106740, 122535, 124530, 149436, 163380, 186795, 230677, 245070, 249060, 373590, 461354, 490140, 692031, 747180, 922708, 1153385, 1384062, 1614739, 2076093, 2306770, 2768124, 3229478, 3460155, 4152186, 4613540, 4844217, 6458956, 6920310, 8073695, 8304372, 9688434, 10380465, 13840620, 14532651, 16147390, 19376868, 20760930, 24221085, 29065302, 32294780, 41521860, 48442170, 58130604, 72663255, 96884340, 145326510, 290653020]

約数ペア:

[(1, 290653020), (2, 145326510), (3, 96884340), (4, 72663255), (5, 58130604), (6, 48442170), (7, 41521860), (9, 32294780), (10, 29065302), (12, 24221085), (14, 20760930), (15, 19376868), (18, 16147390), (20, 14532651), (21, 13840620), (28, 10380465), (30, 9688434), (35, 8304372), (36, 8073695), (42, 6920310), (45, 6458956), (60, 4844217), (63, 4613540), (70, 4152186), (84, 3460155), (90, 3229478), (105, 2768124), (126, 2306770), (140, 2076093), (180, 1614739), (210, 1384062), (252, 1153385), (315, 922708), (389, 747180), (420, 692031), (593, 490140), (630, 461354), (778, 373590), (1167, 249060), (1186, 245070), (1260, 230677), (1556, 186795), (1779, 163380), (1945, 149436), (2334, 124530), (2372, 122535), (2723, 106740), (2965, 98028), (3501, 83020), (3558, 81690), (3890, 74718), (4151, 70020), (4668, 62265), (5337, 54460), (5446, 53370), (5835, 49812), (5930, 49014), (7002, 41510), (7116, 40845), (7780, 37359), (8169, 35580), (8302, 35010), (8895, 32676), (10674, 27230), (10892, 26685), (11670, 24906), (11860, 24507), (12453, 23340), (13615, 21348), (14004, 20755), (16338, 17790), (16604, 17505)]