7138680920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{186097}}^1$

素因数の和:186252

約数の個数: 64

約数和(自身を含む): 18490697280

約数和(自身を除く): 11352016360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 137, 140, 274, 280, 548, 685, 959, 1096, 1370, 1918, 2740, 3836, 4795, 5480, 7672, 9590, 19180, 38360, 186097, 372194, 744388, 930485, 1302679, 1488776, 1860970, 2605358, 3721940, 5210716, 6513395, 7443880, 10421432, 13026790, 25495289, 26053580, 50990578, 52107160, 101981156, 127476445, 178467023, 203962312, 254952890, 356934046, 509905780, 713868092, 892335115, 1019811560, 1427736184, 1784670230, 3569340460, 7138680920]

約数ペア:

[(1, 7138680920), (2, 3569340460), (4, 1784670230), (5, 1427736184), (7, 1019811560), (8, 892335115), (10, 713868092), (14, 509905780), (20, 356934046), (28, 254952890), (35, 203962312), (40, 178467023), (56, 127476445), (70, 101981156), (137, 52107160), (140, 50990578), (274, 26053580), (280, 25495289), (548, 13026790), (685, 10421432), (959, 7443880), (1096, 6513395), (1370, 5210716), (1918, 3721940), (2740, 2605358), (3836, 1860970), (4795, 1488776), (5480, 1302679), (7672, 930485), (9590, 744388), (19180, 372194), (38360, 186097)]