1392856040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{5881}}^1$

素因数の和:6114

約数の個数: 64

約数和(自身を含む): 3252510720

約数和(自身を除く): 1859654680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 191, 248, 310, 382, 620, 764, 955, 1240, 1528, 1910, 3820, 5881, 5921, 7640, 11762, 11842, 23524, 23684, 29405, 29605, 47048, 47368, 58810, 59210, 117620, 118420, 182311, 235240, 236840, 364622, 729244, 911555, 1123271, 1458488, 1823110, 2246542, 3646220, 4493084, 5616355, 7292440, 8986168, 11232710, 22465420, 34821401, 44930840, 69642802, 139285604, 174107005, 278571208, 348214010, 696428020, 1392856040]

約数ペア:

[(1, 1392856040), (2, 696428020), (4, 348214010), (5, 278571208), (8, 174107005), (10, 139285604), (20, 69642802), (31, 44930840), (40, 34821401), (62, 22465420), (124, 11232710), (155, 8986168), (191, 7292440), (248, 5616355), (310, 4493084), (382, 3646220), (620, 2246542), (764, 1823110), (955, 1458488), (1240, 1123271), (1528, 911555), (1910, 729244), (3820, 364622), (5881, 236840), (5921, 235240), (7640, 182311), (11762, 118420), (11842, 117620), (23524, 59210), (23684, 58810), (29405, 47368), (29605, 47048)]