1953820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 4572288

約数和(自身を除く): 2618468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 107, 110, 166, 214, 220, 332, 415, 428, 535, 830, 913, 1070, 1177, 1660, 1826, 2140, 2354, 3652, 4565, 4708, 5885, 8881, 9130, 11770, 17762, 18260, 23540, 35524, 44405, 88810, 97691, 177620, 195382, 390764, 488455, 976910, 1953820]

約数ペア:

[(1, 1953820), (2, 976910), (4, 488455), (5, 390764), (10, 195382), (11, 177620), (20, 97691), (22, 88810), (44, 44405), (55, 35524), (83, 23540), (107, 18260), (110, 17762), (166, 11770), (214, 9130), (220, 8881), (332, 5885), (415, 4708), (428, 4565), (535, 3652), (830, 2354), (913, 2140), (1070, 1826), (1177, 1660)]