318901360

素因数分解:

$2^4\times 5^1\times {\mathrm{461}}^1\times {\mathrm{8647}}^1$

素因数の和:9121

約数の個数: 40

約数和(自身を含む): 743139936

約数和(自身を除く): 424238576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 461, 922, 1844, 2305, 3688, 4610, 7376, 8647, 9220, 17294, 18440, 34588, 36880, 43235, 69176, 86470, 138352, 172940, 345880, 691760, 3986267, 7972534, 15945068, 19931335, 31890136, 39862670, 63780272, 79725340, 159450680, 318901360]

約数ペア:

[(1, 318901360), (2, 159450680), (4, 79725340), (5, 63780272), (8, 39862670), (10, 31890136), (16, 19931335), (20, 15945068), (40, 7972534), (80, 3986267), (461, 691760), (922, 345880), (1844, 172940), (2305, 138352), (3688, 86470), (4610, 69176), (7376, 43235), (8647, 36880), (9220, 34588), (17294, 18440)]