1644798580

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{367}}^1\times {\mathrm{677}}^1$

素因数の和:1384

約数の個数: 48

約数和(自身を含む): 3479083776

約数和(自身を除く): 1834285196

約数列:

[1, 2, 4, 5, 10, 20, 331, 367, 662, 677, 734, 1324, 1354, 1468, 1655, 1835, 2708, 3310, 3385, 3670, 6620, 6770, 7340, 13540, 121477, 224087, 242954, 248459, 448174, 485908, 496918, 607385, 896348, 993836, 1120435, 1214770, 1242295, 2240870, 2429540, 2484590, 4481740, 4969180, 82239929, 164479858, 328959716, 411199645, 822399290, 1644798580]

約数ペア:

[(1, 1644798580), (2, 822399290), (4, 411199645), (5, 328959716), (10, 164479858), (20, 82239929), (331, 4969180), (367, 4481740), (662, 2484590), (677, 2429540), (734, 2240870), (1324, 1242295), (1354, 1214770), (1468, 1120435), (1655, 993836), (1835, 896348), (2708, 607385), (3310, 496918), (3385, 485908), (3670, 448174), (6620, 248459), (6770, 242954), (7340, 224087), (13540, 121477)]