68166340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{809}}^1$

素因数の和:1212

約数の個数: 48

約数和(自身を含む): 156764160

約数和(自身を除く): 88597820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 383, 766, 809, 1532, 1618, 1915, 3236, 3830, 4045, 4213, 7660, 8090, 8426, 8899, 16180, 16852, 17798, 21065, 35596, 42130, 44495, 84260, 88990, 177980, 309847, 619694, 1239388, 1549235, 3098470, 3408317, 6196940, 6816634, 13633268, 17041585, 34083170, 68166340]

約数ペア:

[(1, 68166340), (2, 34083170), (4, 17041585), (5, 13633268), (10, 6816634), (11, 6196940), (20, 3408317), (22, 3098470), (44, 1549235), (55, 1239388), (110, 619694), (220, 309847), (383, 177980), (766, 88990), (809, 84260), (1532, 44495), (1618, 42130), (1915, 35596), (3236, 21065), (3830, 17798), (4045, 16852), (4213, 16180), (7660, 8899), (8090, 8426)]