201528668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:327

約数の個数: 96

約数和(自身を含む): 433520640

約数和(自身を除く): 231991972

約数列:

[1, 2, 4, 11, 19, 22, 23, 38, 44, 46, 47, 76, 92, 94, 188, 209, 223, 253, 418, 437, 446, 506, 517, 836, 874, 892, 893, 1012, 1034, 1081, 1748, 1786, 2068, 2162, 2453, 3572, 4237, 4324, 4807, 4906, 5129, 8474, 9614, 9812, 9823, 10258, 10481, 11891, 16948, 19228, 19646, 20516, 20539, 20962, 23782, 39292, 41078, 41924, 46607, 47564, 56419, 82156, 93214, 97451, 112838, 115291, 186428, 194902, 199139, 225676, 225929, 230582, 241063, 389804, 398278, 451858, 461164, 482126, 796556, 903716, 964252, 1071961, 2143922, 2190529, 2651693, 4287844, 4381058, 4580197, 5303386, 8762116, 9160394, 10606772, 18320788, 50382167, 100764334, 201528668]

約数ペア:

[(1, 201528668), (2, 100764334), (4, 50382167), (11, 18320788), (19, 10606772), (22, 9160394), (23, 8762116), (38, 5303386), (44, 4580197), (46, 4381058), (47, 4287844), (76, 2651693), (92, 2190529), (94, 2143922), (188, 1071961), (209, 964252), (223, 903716), (253, 796556), (418, 482126), (437, 461164), (446, 451858), (506, 398278), (517, 389804), (836, 241063), (874, 230582), (892, 225929), (893, 225676), (1012, 199139), (1034, 194902), (1081, 186428), (1748, 115291), (1786, 112838), (2068, 97451), (2162, 93214), (2453, 82156), (3572, 56419), (4237, 47564), (4324, 46607), (4807, 41924), (4906, 41078), (5129, 39292), (8474, 23782), (9614, 20962), (9812, 20539), (9823, 20516), (10258, 19646), (10481, 19228), (11891, 16948)]