417171820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{3923}}^1$

素因数の和:4354

約数の個数: 48

約数和(自身を含む): 945997920

約数和(自身を除く): 528826100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 409, 818, 1636, 2045, 3923, 4090, 5317, 7846, 8180, 10634, 15692, 19615, 21268, 26585, 39230, 50999, 53170, 78460, 101998, 106340, 203996, 254995, 509990, 1019980, 1604507, 3209014, 6418028, 8022535, 16045070, 20858591, 32090140, 41717182, 83434364, 104292955, 208585910, 417171820]

約数ペア:

[(1, 417171820), (2, 208585910), (4, 104292955), (5, 83434364), (10, 41717182), (13, 32090140), (20, 20858591), (26, 16045070), (52, 8022535), (65, 6418028), (130, 3209014), (260, 1604507), (409, 1019980), (818, 509990), (1636, 254995), (2045, 203996), (3923, 106340), (4090, 101998), (5317, 78460), (7846, 53170), (8180, 50999), (10634, 39230), (15692, 26585), (19615, 21268)]