345685840

素因数分解:

$2^4\times 5^1\times {\mathrm{353}}^1\times {\mathrm{12241}}^1$

素因数の和:12607

約数の個数: 40

約数和(自身を含む): 806062248

約数和(自身を除く): 460376408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353, 706, 1412, 1765, 2824, 3530, 5648, 7060, 12241, 14120, 24482, 28240, 48964, 61205, 97928, 122410, 195856, 244820, 489640, 979280, 4321073, 8642146, 17284292, 21605365, 34568584, 43210730, 69137168, 86421460, 172842920, 345685840]

約数ペア:

[(1, 345685840), (2, 172842920), (4, 86421460), (5, 69137168), (8, 43210730), (10, 34568584), (16, 21605365), (20, 17284292), (40, 8642146), (80, 4321073), (353, 979280), (706, 489640), (1412, 244820), (1765, 195856), (2824, 122410), (3530, 97928), (5648, 61205), (7060, 48964), (12241, 28240), (14120, 24482)]