289314710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{22727}}^1$

素因数の和:22820

約数の個数: 32

約数和(自身を含む): 556381440

約数和(自身を除く): 267066730

約数列:

[1, 2, 5, 10, 19, 38, 67, 95, 134, 190, 335, 670, 1273, 2546, 6365, 12730, 22727, 45454, 113635, 227270, 431813, 863626, 1522709, 2159065, 3045418, 4318130, 7613545, 15227090, 28931471, 57862942, 144657355, 289314710]

約数ペア:

[(1, 289314710), (2, 144657355), (5, 57862942), (10, 28931471), (19, 15227090), (38, 7613545), (67, 4318130), (95, 3045418), (134, 2159065), (190, 1522709), (335, 863626), (670, 431813), (1273, 227270), (2546, 113635), (6365, 45454), (12730, 22727)]