659566460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{4129}}^1$

素因数の和:4315

約数の個数: 72

約数和(自身を含む): 1621504080

約数和(自身を除く): 961937620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 163, 196, 245, 326, 490, 652, 815, 980, 1141, 1630, 2282, 3260, 4129, 4564, 5705, 7987, 8258, 11410, 15974, 16516, 20645, 22820, 28903, 31948, 39935, 41290, 57806, 79870, 82580, 115612, 144515, 159740, 202321, 289030, 404642, 578060, 673027, 809284, 1011605, 1346054, 2023210, 2692108, 3365135, 4046420, 4711189, 6730270, 9422378, 13460540, 18844756, 23555945, 32978323, 47111890, 65956646, 94223780, 131913292, 164891615, 329783230, 659566460]

約数ペア:

[(1, 659566460), (2, 329783230), (4, 164891615), (5, 131913292), (7, 94223780), (10, 65956646), (14, 47111890), (20, 32978323), (28, 23555945), (35, 18844756), (49, 13460540), (70, 9422378), (98, 6730270), (140, 4711189), (163, 4046420), (196, 3365135), (245, 2692108), (326, 2023210), (490, 1346054), (652, 1011605), (815, 809284), (980, 673027), (1141, 578060), (1630, 404642), (2282, 289030), (3260, 202321), (4129, 159740), (4564, 144515), (5705, 115612), (7987, 82580), (8258, 79870), (11410, 57806), (15974, 41290), (16516, 39935), (20645, 31948), (22820, 28903)]