259164780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{617059}}^1$

素因数の和:617078

約数の個数: 48

約数和(自身を含む): 829328640

約数和(自身を除く): 570163860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 617059, 1234118, 1851177, 2468236, 3085295, 3702354, 4319413, 6170590, 7404708, 8638826, 9255885, 12341180, 12958239, 17277652, 18511770, 21597065, 25916478, 37023540, 43194130, 51832956, 64791195, 86388260, 129582390, 259164780]

約数ペア:

[(1, 259164780), (2, 129582390), (3, 86388260), (4, 64791195), (5, 51832956), (6, 43194130), (7, 37023540), (10, 25916478), (12, 21597065), (14, 18511770), (15, 17277652), (20, 12958239), (21, 12341180), (28, 9255885), (30, 8638826), (35, 7404708), (42, 6170590), (60, 4319413), (70, 3702354), (84, 3085295), (105, 2468236), (140, 1851177), (210, 1234118), (420, 617059)]