715974220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1231}}^1\times {\mathrm{2237}}^1$

素因数の和:3490

約数の個数: 48

約数和(自身を含む): 1621243008

約数和(自身を除く): 905268788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1231, 2237, 2462, 4474, 4924, 6155, 8948, 11185, 12310, 16003, 22370, 24620, 29081, 32006, 44740, 58162, 64012, 80015, 116324, 145405, 160030, 290810, 320060, 581620, 2753747, 5507494, 11014988, 13768735, 27537470, 35798711, 55074940, 71597422, 143194844, 178993555, 357987110, 715974220]

約数ペア:

[(1, 715974220), (2, 357987110), (4, 178993555), (5, 143194844), (10, 71597422), (13, 55074940), (20, 35798711), (26, 27537470), (52, 13768735), (65, 11014988), (130, 5507494), (260, 2753747), (1231, 581620), (2237, 320060), (2462, 290810), (4474, 160030), (4924, 145405), (6155, 116324), (8948, 80015), (11185, 64012), (12310, 58162), (16003, 44740), (22370, 32006), (24620, 29081)]