2140900

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:364

約数の個数: 36

約数和(自身を含む): 4721920

約数和(自身を除く): 2581020

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 271, 316, 395, 542, 790, 1084, 1355, 1580, 1975, 2710, 3950, 5420, 6775, 7900, 13550, 21409, 27100, 42818, 85636, 107045, 214090, 428180, 535225, 1070450, 2140900]

約数ペア:

[(1, 2140900), (2, 1070450), (4, 535225), (5, 428180), (10, 214090), (20, 107045), (25, 85636), (50, 42818), (79, 27100), (100, 21409), (158, 13550), (271, 7900), (316, 6775), (395, 5420), (542, 3950), (790, 2710), (1084, 1975), (1355, 1580)]