134046400

素因数分解:

$2^6\times 5^2\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:642

約数の個数: 84

約数和(自身を含む): 332282800

約数和(自身を除く): 198236400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 199, 200, 320, 398, 400, 421, 796, 800, 842, 995, 1592, 1600, 1684, 1990, 2105, 3184, 3368, 3980, 4210, 4975, 6368, 6736, 7960, 8420, 9950, 10525, 12736, 13472, 15920, 16840, 19900, 21050, 26944, 31840, 33680, 39800, 42100, 63680, 67360, 79600, 83779, 84200, 134720, 159200, 167558, 168400, 318400, 335116, 336800, 418895, 670232, 673600, 837790, 1340464, 1675580, 2094475, 2680928, 3351160, 4188950, 5361856, 6702320, 8377900, 13404640, 16755800, 26809280, 33511600, 67023200, 134046400]

約数ペア:

[(1, 134046400), (2, 67023200), (4, 33511600), (5, 26809280), (8, 16755800), (10, 13404640), (16, 8377900), (20, 6702320), (25, 5361856), (32, 4188950), (40, 3351160), (50, 2680928), (64, 2094475), (80, 1675580), (100, 1340464), (160, 837790), (199, 673600), (200, 670232), (320, 418895), (398, 336800), (400, 335116), (421, 318400), (796, 168400), (800, 167558), (842, 159200), (995, 134720), (1592, 84200), (1600, 83779), (1684, 79600), (1990, 67360), (2105, 63680), (3184, 42100), (3368, 39800), (3980, 33680), (4210, 31840), (4975, 26944), (6368, 21050), (6736, 19900), (7960, 16840), (8420, 15920), (9950, 13472), (10525, 12736)]