77558180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2729}}^1$

素因数の和:2781

約数の個数: 72

約数和(自身を含む): 196068600

約数和(自身を除く): 118510420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1421, 2030, 2729, 2842, 4060, 5458, 5684, 7105, 10916, 13645, 14210, 19103, 27290, 28420, 38206, 54580, 76412, 79141, 95515, 133721, 158282, 191030, 267442, 316564, 382060, 395705, 534884, 553987, 668605, 791410, 1107974, 1337210, 1582820, 2215948, 2674420, 2769935, 3877909, 5539870, 7755818, 11079740, 15511636, 19389545, 38779090, 77558180]

約数ペア:

[(1, 77558180), (2, 38779090), (4, 19389545), (5, 15511636), (7, 11079740), (10, 7755818), (14, 5539870), (20, 3877909), (28, 2769935), (29, 2674420), (35, 2215948), (49, 1582820), (58, 1337210), (70, 1107974), (98, 791410), (116, 668605), (140, 553987), (145, 534884), (196, 395705), (203, 382060), (245, 316564), (290, 267442), (406, 191030), (490, 158282), (580, 133721), (812, 95515), (980, 79141), (1015, 76412), (1421, 54580), (2030, 38206), (2729, 28420), (2842, 27290), (4060, 19103), (5458, 14210), (5684, 13645), (7105, 10916)]