55847820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{132971}}^1$

素因数の和:132990

約数の個数: 48

約数和(自身を含む): 178714368

約数和(自身を除く): 122866548

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, 132971, 265942, 398913, 531884, 664855, 797826, 930797, 1329710, 1595652, 1861594, 1994565, 2659420, 2792391, 3723188, 3989130, 4653985, 5584782, 7978260, 9307970, 11169564, 13961955, 18615940, 27923910, 55847820]

約数ペア:

[(1, 55847820), (2, 27923910), (3, 18615940), (4, 13961955), (5, 11169564), (6, 9307970), (7, 7978260), (10, 5584782), (12, 4653985), (14, 3989130), (15, 3723188), (20, 2792391), (21, 2659420), (28, 1994565), (30, 1861594), (35, 1595652), (42, 1329710), (60, 930797), (70, 797826), (84, 664855), (105, 531884), (140, 398913), (210, 265942), (420, 132971)]