1091984720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{718411}}^1$

素因数の和:718443

約数の個数: 40

約数和(自身を含む): 2672492640

約数和(自身を除く): 1580507920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 718411, 1436822, 2873644, 3592055, 5747288, 7184110, 11494576, 13649809, 14368220, 27299618, 28736440, 54599236, 57472880, 68249045, 109198472, 136498090, 218396944, 272996180, 545992360, 1091984720]

約数ペア:

[(1, 1091984720), (2, 545992360), (4, 272996180), (5, 218396944), (8, 136498090), (10, 109198472), (16, 68249045), (19, 57472880), (20, 54599236), (38, 28736440), (40, 27299618), (76, 14368220), (80, 13649809), (95, 11494576), (152, 7184110), (190, 5747288), (304, 3592055), (380, 2873644), (760, 1436822), (1520, 718411)]