7971260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1907}}^1$

素因数の和:1946

約数の個数: 48

約数和(自身を含む): 19232640

約数和(自身を除く): 11261380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 1907, 2090, 3814, 4180, 7628, 9535, 19070, 20977, 36233, 38140, 41954, 72466, 83908, 104885, 144932, 181165, 209770, 362330, 398563, 419540, 724660, 797126, 1594252, 1992815, 3985630, 7971260]

約数ペア:

[(1, 7971260), (2, 3985630), (4, 1992815), (5, 1594252), (10, 797126), (11, 724660), (19, 419540), (20, 398563), (22, 362330), (38, 209770), (44, 181165), (55, 144932), (76, 104885), (95, 83908), (110, 72466), (190, 41954), (209, 38140), (220, 36233), (380, 20977), (418, 19070), (836, 9535), (1045, 7628), (1907, 4180), (2090, 3814)]