137438900

素因数分解:

$2^2\times 5^2\times {\mathrm{449}}^1\times {\mathrm{3061}}^1$

素因数の和:3524

約数の個数: 36

約数和(自身を含む): 299004300

約数和(自身を除く): 161565400

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 449, 898, 1796, 2245, 3061, 4490, 6122, 8980, 11225, 12244, 15305, 22450, 30610, 44900, 61220, 76525, 153050, 306100, 1374389, 2748778, 5497556, 6871945, 13743890, 27487780, 34359725, 68719450, 137438900]

約数ペア:

[(1, 137438900), (2, 68719450), (4, 34359725), (5, 27487780), (10, 13743890), (20, 6871945), (25, 5497556), (50, 2748778), (100, 1374389), (449, 306100), (898, 153050), (1796, 76525), (2245, 61220), (3061, 44900), (4490, 30610), (6122, 22450), (8980, 15305), (11225, 12244)]