1211440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{797}}^1$

素因数の和:829

約数の個数: 40

約数和(自身を含む): 2968560

約数和(自身を除く): 1757120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 797, 1520, 1594, 3188, 3985, 6376, 7970, 12752, 15143, 15940, 30286, 31880, 60572, 63760, 75715, 121144, 151430, 242288, 302860, 605720, 1211440]

約数ペア:

[(1, 1211440), (2, 605720), (4, 302860), (5, 242288), (8, 151430), (10, 121144), (16, 75715), (19, 63760), (20, 60572), (38, 31880), (40, 30286), (76, 15940), (80, 15143), (95, 12752), (152, 7970), (190, 6376), (304, 3985), (380, 3188), (760, 1594), (797, 1520)]