90318725

素因数分解:

$5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 133324800

約数和(自身を除く): 43006075

約数列:

[1, 5, 7, 25, 35, 47, 79, 139, 175, 235, 329, 395, 553, 695, 973, 1175, 1645, 1975, 2765, 3475, 3713, 4865, 6533, 8225, 10981, 13825, 18565, 24325, 25991, 32665, 45731, 54905, 76867, 92825, 129955, 163325, 228655, 274525, 384335, 516107, 649775, 1143275, 1921675, 2580535, 3612749, 12902675, 18063745, 90318725]

約数ペア:

[(1, 90318725), (5, 18063745), (7, 12902675), (25, 3612749), (35, 2580535), (47, 1921675), (79, 1143275), (139, 649775), (175, 516107), (235, 384335), (329, 274525), (395, 228655), (553, 163325), (695, 129955), (973, 92825), (1175, 76867), (1645, 54905), (1975, 45731), (2765, 32665), (3475, 25991), (3713, 24325), (4865, 18565), (6533, 13825), (8225, 10981)]