313655420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{63493}}^1$

素因数の和:63534

約数の個数: 48

約数和(自身を含む): 746689440

約数和(自身を除く): 433034020

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 63493, 126986, 253972, 317465, 634930, 825409, 1206367, 1269860, 1650818, 2412734, 3301636, 4127045, 4825468, 6031835, 8254090, 12063670, 15682771, 16508180, 24127340, 31365542, 62731084, 78413855, 156827710, 313655420]

約数ペア:

[(1, 313655420), (2, 156827710), (4, 78413855), (5, 62731084), (10, 31365542), (13, 24127340), (19, 16508180), (20, 15682771), (26, 12063670), (38, 8254090), (52, 6031835), (65, 4825468), (76, 4127045), (95, 3301636), (130, 2412734), (190, 1650818), (247, 1269860), (260, 1206367), (380, 825409), (494, 634930), (988, 317465), (1235, 253972), (2470, 126986), (4940, 63493)]