68873980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{2549}}^1$

素因数の和:2758

約数の個数: 48

約数和(自身を含む): 166219200

約数和(自身を除く): 97345220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 386, 772, 965, 1351, 1930, 2549, 2702, 3860, 5098, 5404, 6755, 10196, 12745, 13510, 17843, 25490, 27020, 35686, 50980, 71372, 89215, 178430, 356860, 491957, 983914, 1967828, 2459785, 3443699, 4919570, 6887398, 9839140, 13774796, 17218495, 34436990, 68873980]

約数ペア:

[(1, 68873980), (2, 34436990), (4, 17218495), (5, 13774796), (7, 9839140), (10, 6887398), (14, 4919570), (20, 3443699), (28, 2459785), (35, 1967828), (70, 983914), (140, 491957), (193, 356860), (386, 178430), (772, 89215), (965, 71372), (1351, 50980), (1930, 35686), (2549, 27020), (2702, 25490), (3860, 17843), (5098, 13510), (5404, 12745), (6755, 10196)]