393489440

素因数分解:

$2^5\times 5^1\times {\mathrm{1429}}^1\times {\mathrm{1721}}^1$

素因数の和:3165

約数の個数: 48

約数和(自身を含む): 930809880

約数和(自身を除く): 537320440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1429, 1721, 2858, 3442, 5716, 6884, 7145, 8605, 11432, 13768, 14290, 17210, 22864, 27536, 28580, 34420, 45728, 55072, 57160, 68840, 114320, 137680, 228640, 275360, 2459309, 4918618, 9837236, 12296545, 19674472, 24593090, 39348944, 49186180, 78697888, 98372360, 196744720, 393489440]

約数ペア:

[(1, 393489440), (2, 196744720), (4, 98372360), (5, 78697888), (8, 49186180), (10, 39348944), (16, 24593090), (20, 19674472), (32, 12296545), (40, 9837236), (80, 4918618), (160, 2459309), (1429, 275360), (1721, 228640), (2858, 137680), (3442, 114320), (5716, 68840), (6884, 57160), (7145, 55072), (8605, 45728), (11432, 34420), (13768, 28580), (14290, 27536), (17210, 22864)]