1264420

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:531

約数の個数: 24

約数和(自身を含む): 2677248

約数和(自身を除く): 1412828

約数列:

[1, 2, 4, 5, 10, 20, 191, 331, 382, 662, 764, 955, 1324, 1655, 1910, 3310, 3820, 6620, 63221, 126442, 252884, 316105, 632210, 1264420]

約数ペア:

[(1, 1264420), (2, 632210), (4, 316105), (5, 252884), (10, 126442), (20, 63221), (191, 6620), (331, 3820), (382, 3310), (662, 1910), (764, 1655), (955, 1324)]