2008663390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{2971}}^1$

素因数の和:3133

約数の個数: 64

約数和(自身を含む): 3963411648

約数和(自身を除く): 1954748258

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 97, 170, 194, 205, 410, 485, 697, 970, 1394, 1649, 2971, 3298, 3485, 3977, 5942, 6970, 7954, 8245, 14855, 16490, 19885, 29710, 39770, 50507, 67609, 101014, 121811, 135218, 243622, 252535, 288187, 338045, 505070, 576374, 609055, 676090, 1218110, 1440935, 2070787, 2881870, 4141574, 4899179, 9798358, 10353935, 11815667, 20707870, 23631334, 24495895, 48991790, 59078335, 118156670, 200866339, 401732678, 1004331695, 2008663390]

約数ペア:

[(1, 2008663390), (2, 1004331695), (5, 401732678), (10, 200866339), (17, 118156670), (34, 59078335), (41, 48991790), (82, 24495895), (85, 23631334), (97, 20707870), (170, 11815667), (194, 10353935), (205, 9798358), (410, 4899179), (485, 4141574), (697, 2881870), (970, 2070787), (1394, 1440935), (1649, 1218110), (2971, 676090), (3298, 609055), (3485, 576374), (3977, 505070), (5942, 338045), (6970, 288187), (7954, 252535), (8245, 243622), (14855, 135218), (16490, 121811), (19885, 101014), (29710, 67609), (39770, 50507)]