2780810

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:302

約数の個数: 32

約数和(自身を含む): 5322240

約数和(自身を除く): 2541430

約数列:

[1, 2, 5, 10, 29, 43, 58, 86, 145, 215, 223, 290, 430, 446, 1115, 1247, 2230, 2494, 6235, 6467, 9589, 12470, 12934, 19178, 32335, 47945, 64670, 95890, 278081, 556162, 1390405, 2780810]

約数ペア:

[(1, 2780810), (2, 1390405), (5, 556162), (10, 278081), (29, 95890), (43, 64670), (58, 47945), (86, 32335), (145, 19178), (215, 12934), (223, 12470), (290, 9589), (430, 6467), (446, 6235), (1115, 2494), (1247, 2230)]