31777450

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:331

約数の個数: 48

約数和(自身を含む): 61703640

約数和(自身を除く): 29926190

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 89, 178, 185, 193, 370, 386, 445, 890, 925, 965, 1850, 1930, 2225, 3293, 4450, 4825, 6586, 7141, 9650, 14282, 16465, 17177, 32930, 34354, 35705, 71410, 82325, 85885, 164650, 171770, 178525, 357050, 429425, 635549, 858850, 1271098, 3177745, 6355490, 15888725, 31777450]

約数ペア:

[(1, 31777450), (2, 15888725), (5, 6355490), (10, 3177745), (25, 1271098), (37, 858850), (50, 635549), (74, 429425), (89, 357050), (178, 178525), (185, 171770), (193, 164650), (370, 85885), (386, 82325), (445, 71410), (890, 35705), (925, 34354), (965, 32930), (1850, 17177), (1930, 16465), (2225, 14282), (3293, 9650), (4450, 7141), (4825, 6586)]