397656240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1656901}}^1$

素因数の和:1656917

約数の個数: 40

約数和(自身を含む): 1232735088

約数和(自身を除く): 835078848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1656901, 3313802, 4970703, 6627604, 8284505, 9941406, 13255208, 16569010, 19882812, 24853515, 26510416, 33138020, 39765624, 49707030, 66276040, 79531248, 99414060, 132552080, 198828120, 397656240]

約数ペア:

[(1, 397656240), (2, 198828120), (3, 132552080), (4, 99414060), (5, 79531248), (6, 66276040), (8, 49707030), (10, 39765624), (12, 33138020), (15, 26510416), (16, 24853515), (20, 19882812), (24, 16569010), (30, 13255208), (40, 9941406), (48, 8284505), (60, 6627604), (80, 4970703), (120, 3313802), (240, 1656901)]