2143700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 5359032

約数和(自身を除く): 3215332

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 97, 100, 130, 170, 194, 221, 260, 325, 340, 388, 425, 442, 485, 650, 850, 884, 970, 1105, 1261, 1300, 1649, 1700, 1940, 2210, 2425, 2522, 3298, 4420, 4850, 5044, 5525, 6305, 6596, 8245, 9700, 11050, 12610, 16490, 21437, 22100, 25220, 31525, 32980, 41225, 42874, 63050, 82450, 85748, 107185, 126100, 164900, 214370, 428740, 535925, 1071850, 2143700]

約数ペア:

[(1, 2143700), (2, 1071850), (4, 535925), (5, 428740), (10, 214370), (13, 164900), (17, 126100), (20, 107185), (25, 85748), (26, 82450), (34, 63050), (50, 42874), (52, 41225), (65, 32980), (68, 31525), (85, 25220), (97, 22100), (100, 21437), (130, 16490), (170, 12610), (194, 11050), (221, 9700), (260, 8245), (325, 6596), (340, 6305), (388, 5525), (425, 5044), (442, 4850), (485, 4420), (650, 3298), (850, 2522), (884, 2425), (970, 2210), (1105, 1940), (1261, 1700), (1300, 1649)]