1213890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{941}}^1$

素因数の和:994

約数の個数: 32

約数和(自身を含む): 2984256

約数和(自身を除く): 1770366

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 941, 1290, 1882, 2823, 4705, 5646, 9410, 14115, 28230, 40463, 80926, 121389, 202315, 242778, 404630, 606945, 1213890]

約数ペア:

[(1, 1213890), (2, 606945), (3, 404630), (5, 242778), (6, 202315), (10, 121389), (15, 80926), (30, 40463), (43, 28230), (86, 14115), (129, 9410), (215, 5646), (258, 4705), (430, 2823), (645, 1882), (941, 1290)]