820448290

素因数分解:

$2^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{307}}^1\times {\mathrm{1493}}^1$

素因数の和:1986

約数の個数: 32

約数和(自身を含む): 1490892480

約数和(自身を除く): 670444190

約数列:

[1, 2, 5, 10, 179, 307, 358, 614, 895, 1493, 1535, 1790, 2986, 3070, 7465, 14930, 54953, 109906, 267247, 274765, 458351, 534494, 549530, 916702, 1336235, 2291755, 2672470, 4583510, 82044829, 164089658, 410224145, 820448290]

約数ペア:

[(1, 820448290), (2, 410224145), (5, 164089658), (10, 82044829), (179, 4583510), (307, 2672470), (358, 2291755), (614, 1336235), (895, 916702), (1493, 549530), (1535, 534494), (1790, 458351), (2986, 274765), (3070, 267247), (7465, 109906), (14930, 54953)]