855768340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{5783}}^1$

素因数の和:5957

約数の個数: 72

約数和(自身を含む): 2104728192

約数和(自身を除く): 1248959852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 151, 196, 245, 302, 490, 604, 755, 980, 1057, 1510, 2114, 3020, 4228, 5285, 5783, 7399, 10570, 11566, 14798, 21140, 23132, 28915, 29596, 36995, 40481, 57830, 73990, 80962, 115660, 147980, 161924, 202405, 283367, 404810, 566734, 809620, 873233, 1133468, 1416835, 1746466, 2833670, 3492932, 4366165, 5667340, 6112631, 8732330, 12225262, 17464660, 24450524, 30563155, 42788417, 61126310, 85576834, 122252620, 171153668, 213942085, 427884170, 855768340]

約数ペア:

[(1, 855768340), (2, 427884170), (4, 213942085), (5, 171153668), (7, 122252620), (10, 85576834), (14, 61126310), (20, 42788417), (28, 30563155), (35, 24450524), (49, 17464660), (70, 12225262), (98, 8732330), (140, 6112631), (151, 5667340), (196, 4366165), (245, 3492932), (302, 2833670), (490, 1746466), (604, 1416835), (755, 1133468), (980, 873233), (1057, 809620), (1510, 566734), (2114, 404810), (3020, 283367), (4228, 202405), (5285, 161924), (5783, 147980), (7399, 115660), (10570, 80962), (11566, 73990), (14798, 57830), (21140, 40481), (23132, 36995), (28915, 29596)]