164605450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1861}}^1$

素因数の和:1963

約数の個数: 48

約数和(自身を含む): 322088760

約数和(自身を除く): 157483310

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 61, 122, 145, 290, 305, 610, 725, 1450, 1525, 1769, 1861, 3050, 3538, 3722, 8845, 9305, 17690, 18610, 44225, 46525, 53969, 88450, 93050, 107938, 113521, 227042, 269845, 539690, 567605, 1135210, 1349225, 2698450, 2838025, 3292109, 5676050, 6584218, 16460545, 32921090, 82302725, 164605450]

約数ペア:

[(1, 164605450), (2, 82302725), (5, 32921090), (10, 16460545), (25, 6584218), (29, 5676050), (50, 3292109), (58, 2838025), (61, 2698450), (122, 1349225), (145, 1135210), (290, 567605), (305, 539690), (610, 269845), (725, 227042), (1450, 113521), (1525, 107938), (1769, 93050), (1861, 88450), (3050, 53969), (3538, 46525), (3722, 44225), (8845, 18610), (9305, 17690)]