161864450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1949}}^1$

素因数の和:2123

約数の個数: 48

約数和(自身を含む): 330782400

約数和(自身を除く): 168917950

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 151, 275, 302, 550, 755, 1510, 1661, 1949, 3322, 3775, 3898, 7550, 8305, 9745, 16610, 19490, 21439, 41525, 42878, 48725, 83050, 97450, 107195, 214390, 294299, 535975, 588598, 1071950, 1471495, 2942990, 3237289, 6474578, 7357475, 14714950, 16186445, 32372890, 80932225, 161864450]

約数ペア:

[(1, 161864450), (2, 80932225), (5, 32372890), (10, 16186445), (11, 14714950), (22, 7357475), (25, 6474578), (50, 3237289), (55, 2942990), (110, 1471495), (151, 1071950), (275, 588598), (302, 535975), (550, 294299), (755, 214390), (1510, 107195), (1661, 97450), (1949, 83050), (3322, 48725), (3775, 42878), (3898, 41525), (7550, 21439), (8305, 19490), (9745, 16610)]