68347820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{4903}}^1$

素因数の和:4970

約数の個数: 48

約数和(自身を含む): 155711808

約数和(自身を除く): 87363988

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 2788, 3485, 4903, 6970, 9806, 13940, 19612, 24515, 49030, 83351, 98060, 166702, 201023, 333404, 402046, 416755, 804092, 833510, 1005115, 1667020, 2010230, 3417391, 4020460, 6834782, 13669564, 17086955, 34173910, 68347820]

約数ペア:

[(1, 68347820), (2, 34173910), (4, 17086955), (5, 13669564), (10, 6834782), (17, 4020460), (20, 3417391), (34, 2010230), (41, 1667020), (68, 1005115), (82, 833510), (85, 804092), (164, 416755), (170, 402046), (205, 333404), (340, 201023), (410, 166702), (697, 98060), (820, 83351), (1394, 49030), (2788, 24515), (3485, 19612), (4903, 13940), (6970, 9806)]