7930220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{509}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 17992800

約数和(自身を除く): 10062580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 509, 779, 820, 1018, 1558, 2036, 2545, 3116, 3895, 5090, 7790, 9671, 10180, 15580, 19342, 20869, 38684, 41738, 48355, 83476, 96710, 104345, 193420, 208690, 396511, 417380, 793022, 1586044, 1982555, 3965110, 7930220]

約数ペア:

[(1, 7930220), (2, 3965110), (4, 1982555), (5, 1586044), (10, 793022), (19, 417380), (20, 396511), (38, 208690), (41, 193420), (76, 104345), (82, 96710), (95, 83476), (164, 48355), (190, 41738), (205, 38684), (380, 20869), (410, 19342), (509, 15580), (779, 10180), (820, 9671), (1018, 7790), (1558, 5090), (2036, 3895), (2545, 3116)]