200829980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{5557}}^1$

素因数の和:5718

約数の個数: 48

約数和(自身を含む): 457534560

約数和(自身を除く): 256704580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1807, 2780, 3614, 5557, 7228, 9035, 11114, 18070, 22228, 27785, 36140, 55570, 72241, 111140, 144482, 288964, 361205, 722410, 772423, 1444820, 1544846, 3089692, 3862115, 7724230, 10041499, 15448460, 20082998, 40165996, 50207495, 100414990, 200829980]

約数ペア:

[(1, 200829980), (2, 100414990), (4, 50207495), (5, 40165996), (10, 20082998), (13, 15448460), (20, 10041499), (26, 7724230), (52, 3862115), (65, 3089692), (130, 1544846), (139, 1444820), (260, 772423), (278, 722410), (556, 361205), (695, 288964), (1390, 144482), (1807, 111140), (2780, 72241), (3614, 55570), (5557, 36140), (7228, 27785), (9035, 22228), (11114, 18070)]