16917740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:367

約数の個数: 72

約数和(自身を含む): 42153552

約数和(自身を除く): 25235812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 61, 70, 98, 122, 140, 196, 244, 245, 283, 305, 427, 490, 566, 610, 854, 980, 1132, 1220, 1415, 1708, 1981, 2135, 2830, 2989, 3962, 4270, 5660, 5978, 7924, 8540, 9905, 11956, 13867, 14945, 17263, 19810, 27734, 29890, 34526, 39620, 55468, 59780, 69052, 69335, 86315, 120841, 138670, 172630, 241682, 277340, 345260, 483364, 604205, 845887, 1208410, 1691774, 2416820, 3383548, 4229435, 8458870, 16917740]

約数ペア:

[(1, 16917740), (2, 8458870), (4, 4229435), (5, 3383548), (7, 2416820), (10, 1691774), (14, 1208410), (20, 845887), (28, 604205), (35, 483364), (49, 345260), (61, 277340), (70, 241682), (98, 172630), (122, 138670), (140, 120841), (196, 86315), (244, 69335), (245, 69052), (283, 59780), (305, 55468), (427, 39620), (490, 34526), (566, 29890), (610, 27734), (854, 19810), (980, 17263), (1132, 14945), (1220, 13867), (1415, 11956), (1708, 9905), (1981, 8540), (2135, 7924), (2830, 5978), (2989, 5660), (3962, 4270)]