256847010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:608

約数の個数: 128

約数和(自身を含む): 734552064

約数和(自身を除く): 477705054

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 47, 53, 70, 94, 105, 106, 141, 159, 210, 235, 265, 282, 318, 329, 371, 470, 491, 530, 658, 705, 742, 795, 982, 987, 1113, 1410, 1473, 1590, 1645, 1855, 1974, 2226, 2455, 2491, 2946, 3290, 3437, 3710, 4910, 4935, 4982, 5565, 6874, 7365, 7473, 9870, 10311, 11130, 12455, 14730, 14946, 17185, 17437, 20622, 23077, 24910, 26023, 34370, 34874, 37365, 46154, 51555, 52046, 52311, 69231, 74730, 78069, 87185, 103110, 104622, 115385, 130115, 138462, 156138, 161539, 174370, 182161, 230770, 260230, 261555, 323078, 346155, 364322, 390345, 484617, 523110, 546483, 692310, 780690, 807695, 910805, 969234, 1092966, 1223081, 1615390, 1821610, 2423085, 2446162, 2732415, 3669243, 4846170, 5464830, 6115405, 7338486, 8561567, 12230810, 17123134, 18346215, 25684701, 36692430, 42807835, 51369402, 85615670, 128423505, 256847010]

約数ペア:

[(1, 256847010), (2, 128423505), (3, 85615670), (5, 51369402), (6, 42807835), (7, 36692430), (10, 25684701), (14, 18346215), (15, 17123134), (21, 12230810), (30, 8561567), (35, 7338486), (42, 6115405), (47, 5464830), (53, 4846170), (70, 3669243), (94, 2732415), (105, 2446162), (106, 2423085), (141, 1821610), (159, 1615390), (210, 1223081), (235, 1092966), (265, 969234), (282, 910805), (318, 807695), (329, 780690), (371, 692310), (470, 546483), (491, 523110), (530, 484617), (658, 390345), (705, 364322), (742, 346155), (795, 323078), (982, 261555), (987, 260230), (1113, 230770), (1410, 182161), (1473, 174370), (1590, 161539), (1645, 156138), (1855, 138462), (1974, 130115), (2226, 115385), (2455, 104622), (2491, 103110), (2946, 87185), (3290, 78069), (3437, 74730), (3710, 69231), (4910, 52311), (4935, 52046), (4982, 51555), (5565, 46154), (6874, 37365), (7365, 34874), (7473, 34370), (9870, 26023), (10311, 24910), (11130, 23077), (12455, 20622), (14730, 17437), (14946, 17185)]