873434440

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{200329}}^1$

素因数の和:200449

約数の個数: 32

約数和(自身を含む): 1983267000

約数和(自身を除く): 1109832560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 200329, 400658, 801316, 1001645, 1602632, 2003290, 4006580, 8013160, 21835861, 43671722, 87343444, 109179305, 174686888, 218358610, 436717220, 873434440]

約数ペア:

[(1, 873434440), (2, 436717220), (4, 218358610), (5, 174686888), (8, 109179305), (10, 87343444), (20, 43671722), (40, 21835861), (109, 8013160), (218, 4006580), (436, 2003290), (545, 1602632), (872, 1001645), (1090, 801316), (2180, 400658), (4360, 200329)]