780519976

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{53}}^2\times {\mathrm{739}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 1525406400

約数和(自身を除く): 744886424

約数列:

[1, 2, 4, 8, 47, 53, 94, 106, 188, 212, 376, 424, 739, 1478, 2491, 2809, 2956, 4982, 5618, 5912, 9964, 11236, 19928, 22472, 34733, 39167, 69466, 78334, 132023, 138932, 156668, 264046, 277864, 313336, 528092, 1056184, 1840849, 2075851, 3681698, 4151702, 7363396, 8303404, 14726792, 16606808, 97564997, 195129994, 390259988, 780519976]

約数ペア:

[(1, 780519976), (2, 390259988), (4, 195129994), (8, 97564997), (47, 16606808), (53, 14726792), (94, 8303404), (106, 7363396), (188, 4151702), (212, 3681698), (376, 2075851), (424, 1840849), (739, 1056184), (1478, 528092), (2491, 313336), (2809, 277864), (2956, 264046), (4982, 156668), (5618, 138932), (5912, 132023), (9964, 78334), (11236, 69466), (19928, 39167), (22472, 34733)]