51417380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1307}}^1$

素因数の和:1604

約数の個数: 48

約数和(自身を含む): 123935616

約数和(自身を除く): 72518236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 281, 562, 1124, 1307, 1405, 1967, 2614, 2810, 3934, 5228, 5620, 6535, 7868, 9149, 9835, 13070, 18298, 19670, 26140, 36596, 39340, 45745, 91490, 182980, 367267, 734534, 1469068, 1836335, 2570869, 3672670, 5141738, 7345340, 10283476, 12854345, 25708690, 51417380]

約数ペア:

[(1, 51417380), (2, 25708690), (4, 12854345), (5, 10283476), (7, 7345340), (10, 5141738), (14, 3672670), (20, 2570869), (28, 1836335), (35, 1469068), (70, 734534), (140, 367267), (281, 182980), (562, 91490), (1124, 45745), (1307, 39340), (1405, 36596), (1967, 26140), (2614, 19670), (2810, 18298), (3934, 13070), (5228, 9835), (5620, 9149), (6535, 7868)]