51674420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{787}}^1$

素因数の和:877

約数の個数: 72

約数和(自身を含む): 128280096

約数和(自身を除く): 76605676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 98, 134, 140, 196, 245, 268, 335, 469, 490, 670, 787, 938, 980, 1340, 1574, 1876, 2345, 3148, 3283, 3935, 4690, 5509, 6566, 7870, 9380, 11018, 13132, 15740, 16415, 22036, 27545, 32830, 38563, 52729, 55090, 65660, 77126, 105458, 110180, 154252, 192815, 210916, 263645, 369103, 385630, 527290, 738206, 771260, 1054580, 1476412, 1845515, 2583721, 3691030, 5167442, 7382060, 10334884, 12918605, 25837210, 51674420]

約数ペア:

[(1, 51674420), (2, 25837210), (4, 12918605), (5, 10334884), (7, 7382060), (10, 5167442), (14, 3691030), (20, 2583721), (28, 1845515), (35, 1476412), (49, 1054580), (67, 771260), (70, 738206), (98, 527290), (134, 385630), (140, 369103), (196, 263645), (245, 210916), (268, 192815), (335, 154252), (469, 110180), (490, 105458), (670, 77126), (787, 65660), (938, 55090), (980, 52729), (1340, 38563), (1574, 32830), (1876, 27545), (2345, 22036), (3148, 16415), (3283, 15740), (3935, 13132), (4690, 11018), (5509, 9380), (6566, 7870)]