391323230

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{3617}}^1$

素因数の和:4004

約数の個数: 32

約数和(自身を含む): 729388800

約数和(自身を除く): 338065570

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 349, 698, 1745, 3490, 3617, 7234, 10819, 18085, 21638, 36170, 54095, 108190, 112127, 224254, 560635, 1121270, 1262333, 2524666, 6311665, 12623330, 39132323, 78264646, 195661615, 391323230]

約数ペア:

[(1, 391323230), (2, 195661615), (5, 78264646), (10, 39132323), (31, 12623330), (62, 6311665), (155, 2524666), (310, 1262333), (349, 1121270), (698, 560635), (1745, 224254), (3490, 112127), (3617, 108190), (7234, 54095), (10819, 36170), (18085, 21638)]