388616260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1\times {\mathrm{2347}}^1$

素因数の和:2860

約数の個数: 48

約数和(自身を含む): 866242944

約数和(自身を除く): 477626684

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 487, 974, 1948, 2347, 2435, 4694, 4870, 8279, 9388, 9740, 11735, 16558, 23470, 33116, 39899, 41395, 46940, 79798, 82790, 159596, 165580, 199495, 398990, 797980, 1142989, 2285978, 4571956, 5714945, 11429890, 19430813, 22859780, 38861626, 77723252, 97154065, 194308130, 388616260]

約数ペア:

[(1, 388616260), (2, 194308130), (4, 97154065), (5, 77723252), (10, 38861626), (17, 22859780), (20, 19430813), (34, 11429890), (68, 5714945), (85, 4571956), (170, 2285978), (340, 1142989), (487, 797980), (974, 398990), (1948, 199495), (2347, 165580), (2435, 159596), (4694, 82790), (4870, 79798), (8279, 46940), (9388, 41395), (9740, 39899), (11735, 33116), (16558, 23470)]