210845680

素因数分解:

$2^4\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{2141}}^1$

素因数の和:3385

約数の個数: 40

約数和(自身を含む): 490843584

約数和(自身を除く): 279997904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1231, 2141, 2462, 4282, 4924, 6155, 8564, 9848, 10705, 12310, 17128, 19696, 21410, 24620, 34256, 42820, 49240, 85640, 98480, 171280, 2635571, 5271142, 10542284, 13177855, 21084568, 26355710, 42169136, 52711420, 105422840, 210845680]

約数ペア:

[(1, 210845680), (2, 105422840), (4, 52711420), (5, 42169136), (8, 26355710), (10, 21084568), (16, 13177855), (20, 10542284), (40, 5271142), (80, 2635571), (1231, 171280), (2141, 98480), (2462, 85640), (4282, 49240), (4924, 42820), (6155, 34256), (8564, 24620), (9848, 21410), (10705, 19696), (12310, 17128)]