72167900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{787}}^1$

素因数の和:939

約数の個数: 72

約数和(自身を含む): 180571776

約数和(自身を除く): 108403876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 131, 140, 175, 262, 350, 524, 655, 700, 787, 917, 1310, 1574, 1834, 2620, 3148, 3275, 3668, 3935, 4585, 5509, 6550, 7870, 9170, 11018, 13100, 15740, 18340, 19675, 22036, 22925, 27545, 39350, 45850, 55090, 78700, 91700, 103097, 110180, 137725, 206194, 275450, 412388, 515485, 550900, 721679, 1030970, 1443358, 2061940, 2577425, 2886716, 3608395, 5154850, 7216790, 10309700, 14433580, 18041975, 36083950, 72167900]

約数ペア:

[(1, 72167900), (2, 36083950), (4, 18041975), (5, 14433580), (7, 10309700), (10, 7216790), (14, 5154850), (20, 3608395), (25, 2886716), (28, 2577425), (35, 2061940), (50, 1443358), (70, 1030970), (100, 721679), (131, 550900), (140, 515485), (175, 412388), (262, 275450), (350, 206194), (524, 137725), (655, 110180), (700, 103097), (787, 91700), (917, 78700), (1310, 55090), (1574, 45850), (1834, 39350), (2620, 27545), (3148, 22925), (3275, 22036), (3668, 19675), (3935, 18340), (4585, 15740), (5509, 13100), (6550, 11018), (7870, 9170)]