331445870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1621}}^1$

素因数の和:1785

約数の個数: 64

約数和(自身を含む): 717520896

約数和(自身を除く): 386075026

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 127, 161, 230, 254, 322, 635, 805, 889, 1270, 1610, 1621, 1778, 2921, 3242, 4445, 5842, 8105, 8890, 11347, 14605, 16210, 20447, 22694, 29210, 37283, 40894, 56735, 74566, 102235, 113470, 186415, 204470, 205867, 260981, 372830, 411734, 521962, 1029335, 1304905, 1441069, 2058670, 2609810, 2882138, 4734941, 7205345, 9469882, 14410690, 23674705, 33144587, 47349410, 66289174, 165722935, 331445870]

約数ペア:

[(1, 331445870), (2, 165722935), (5, 66289174), (7, 47349410), (10, 33144587), (14, 23674705), (23, 14410690), (35, 9469882), (46, 7205345), (70, 4734941), (115, 2882138), (127, 2609810), (161, 2058670), (230, 1441069), (254, 1304905), (322, 1029335), (635, 521962), (805, 411734), (889, 372830), (1270, 260981), (1610, 205867), (1621, 204470), (1778, 186415), (2921, 113470), (3242, 102235), (4445, 74566), (5842, 56735), (8105, 40894), (8890, 37283), (11347, 29210), (14605, 22694), (16210, 20447)]