991128180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2359829}}^1$

素因数の和:2359848

約数の個数: 48

約数和(自身を含む): 3171611520

約数和(自身を除く): 2180483340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 2359829, 4719658, 7079487, 9439316, 11799145, 14158974, 16518803, 23598290, 28317948, 33037606, 35397435, 47196580, 49556409, 66075212, 70794870, 82594015, 99112818, 141589740, 165188030, 198225636, 247782045, 330376060, 495564090, 991128180]

約数ペア:

[(1, 991128180), (2, 495564090), (3, 330376060), (4, 247782045), (5, 198225636), (6, 165188030), (7, 141589740), (10, 99112818), (12, 82594015), (14, 70794870), (15, 66075212), (20, 49556409), (21, 47196580), (28, 35397435), (30, 33037606), (35, 28317948), (42, 23598290), (60, 16518803), (70, 14158974), (84, 11799145), (105, 9439316), (140, 7079487), (210, 4719658), (420, 2359829)]