74888660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{6947}}^1$

素因数の和:6981

約数の個数: 72

約数和(自身を含む): 199602144

約数和(自身を除く): 124713484

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 6947, 10780, 13894, 27788, 34735, 48629, 69470, 76417, 97258, 138940, 152834, 194516, 243145, 305668, 340403, 382085, 486290, 534919, 680806, 764170, 972580, 1069838, 1361612, 1528340, 1702015, 2139676, 2674595, 3404030, 3744433, 5349190, 6808060, 7488866, 10698380, 14977732, 18722165, 37444330, 74888660]

約数ペア:

[(1, 74888660), (2, 37444330), (4, 18722165), (5, 14977732), (7, 10698380), (10, 7488866), (11, 6808060), (14, 5349190), (20, 3744433), (22, 3404030), (28, 2674595), (35, 2139676), (44, 1702015), (49, 1528340), (55, 1361612), (70, 1069838), (77, 972580), (98, 764170), (110, 680806), (140, 534919), (154, 486290), (196, 382085), (220, 340403), (245, 305668), (308, 243145), (385, 194516), (490, 152834), (539, 138940), (770, 97258), (980, 76417), (1078, 69470), (1540, 48629), (2156, 34735), (2695, 27788), (5390, 13894), (6947, 10780)]