2878830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1103}}^1$

素因数の和:1145

約数の個数: 48

約数和(自身を含む): 7750080

約数和(自身を除く): 4871250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1103, 1305, 2206, 2610, 3309, 5515, 6618, 9927, 11030, 16545, 19854, 31987, 33090, 49635, 63974, 95961, 99270, 159935, 191922, 287883, 319870, 479805, 575766, 959610, 1439415, 2878830]

約数ペア:

[(1, 2878830), (2, 1439415), (3, 959610), (5, 575766), (6, 479805), (9, 319870), (10, 287883), (15, 191922), (18, 159935), (29, 99270), (30, 95961), (45, 63974), (58, 49635), (87, 33090), (90, 31987), (145, 19854), (174, 16545), (261, 11030), (290, 9927), (435, 6618), (522, 5515), (870, 3309), (1103, 2610), (1305, 2206)]