238520

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:167

約数の個数: 32

約数和(自身を含む): 550800

約数和(自身を除く): 312280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 89, 134, 178, 268, 335, 356, 445, 536, 670, 712, 890, 1340, 1780, 2680, 3560, 5963, 11926, 23852, 29815, 47704, 59630, 119260, 238520]

約数ペア:

[(1, 238520), (2, 119260), (4, 59630), (5, 47704), (8, 29815), (10, 23852), (20, 11926), (40, 5963), (67, 3560), (89, 2680), (134, 1780), (178, 1340), (268, 890), (335, 712), (356, 670), (445, 536)]