214955960

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{31063}}^1$

素因数の和:31247

約数の個数: 32

約数和(自身を含む): 486462240

約数和(自身を除く): 271506280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 31063, 62126, 124252, 155315, 248504, 310630, 621260, 1242520, 5373899, 10747798, 21495596, 26869495, 42991192, 53738990, 107477980, 214955960]

約数ペア:

[(1, 214955960), (2, 107477980), (4, 53738990), (5, 42991192), (8, 26869495), (10, 21495596), (20, 10747798), (40, 5373899), (173, 1242520), (346, 621260), (692, 310630), (865, 248504), (1384, 155315), (1730, 124252), (3460, 62126), (6920, 31063)]