206898440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{738923}}^1$

素因数の和:738941

約数の個数: 32

約数和(自身を含む): 532025280

約数和(自身を除く): 325126840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 738923, 1477846, 2955692, 3694615, 5172461, 5911384, 7389230, 10344922, 14778460, 20689844, 25862305, 29556920, 41379688, 51724610, 103449220, 206898440]

約数ペア:

[(1, 206898440), (2, 103449220), (4, 51724610), (5, 41379688), (7, 29556920), (8, 25862305), (10, 20689844), (14, 14778460), (20, 10344922), (28, 7389230), (35, 5911384), (40, 5172461), (56, 3694615), (70, 2955692), (140, 1477846), (280, 738923)]