181640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 432000

約数和(自身を除く): 250360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 239, 380, 478, 760, 956, 1195, 1912, 2390, 4541, 4780, 9082, 9560, 18164, 22705, 36328, 45410, 90820, 181640]

約数ペア:

[(1, 181640), (2, 90820), (4, 45410), (5, 36328), (8, 22705), (10, 18164), (19, 9560), (20, 9082), (38, 4780), (40, 4541), (76, 2390), (95, 1912), (152, 1195), (190, 956), (239, 760), (380, 478)]