326477380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{3343}}^1$

素因数の和:3628

約数の個数: 48

約数和(自身を含む): 724711680

約数和(自身を除く): 398234300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 257, 380, 514, 1028, 1285, 2570, 3343, 4883, 5140, 6686, 9766, 13372, 16715, 19532, 24415, 33430, 48830, 63517, 66860, 97660, 127034, 254068, 317585, 635170, 859151, 1270340, 1718302, 3436604, 4295755, 8591510, 16323869, 17183020, 32647738, 65295476, 81619345, 163238690, 326477380]

約数ペア:

[(1, 326477380), (2, 163238690), (4, 81619345), (5, 65295476), (10, 32647738), (19, 17183020), (20, 16323869), (38, 8591510), (76, 4295755), (95, 3436604), (190, 1718302), (257, 1270340), (380, 859151), (514, 635170), (1028, 317585), (1285, 254068), (2570, 127034), (3343, 97660), (4883, 66860), (5140, 63517), (6686, 48830), (9766, 33430), (13372, 24415), (16715, 19532)]