230480

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:123

約数の個数: 40

約数和(自身を含む): 556512

約数和(自身を除く): 326032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 67, 80, 86, 134, 172, 215, 268, 335, 344, 430, 536, 670, 688, 860, 1072, 1340, 1720, 2680, 2881, 3440, 5360, 5762, 11524, 14405, 23048, 28810, 46096, 57620, 115240, 230480]

約数ペア:

[(1, 230480), (2, 115240), (4, 57620), (5, 46096), (8, 28810), (10, 23048), (16, 14405), (20, 11524), (40, 5762), (43, 5360), (67, 3440), (80, 2881), (86, 2680), (134, 1720), (172, 1340), (215, 1072), (268, 860), (335, 688), (344, 670), (430, 536)]