1849720

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{353}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 4205520

約数和(自身を除く): 2355800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 353, 524, 655, 706, 1048, 1310, 1412, 1765, 2620, 2824, 3530, 5240, 7060, 14120, 46243, 92486, 184972, 231215, 369944, 462430, 924860, 1849720]

約数ペア:

[(1, 1849720), (2, 924860), (4, 462430), (5, 369944), (8, 231215), (10, 184972), (20, 92486), (40, 46243), (131, 14120), (262, 7060), (353, 5240), (524, 3530), (655, 2824), (706, 2620), (1048, 1765), (1310, 1412)]