87400180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{11779}}^1$

素因数の和:11848

約数の個数: 48

約数和(自身を含む): 213736320

約数和(自身を除く): 126336140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 7420, 11779, 23558, 47116, 58895, 82453, 117790, 164906, 235580, 329812, 412265, 624287, 824530, 1248574, 1649060, 2497148, 3121435, 4370009, 6242870, 8740018, 12485740, 17480036, 21850045, 43700090, 87400180]

約数ペア:

[(1, 87400180), (2, 43700090), (4, 21850045), (5, 17480036), (7, 12485740), (10, 8740018), (14, 6242870), (20, 4370009), (28, 3121435), (35, 2497148), (53, 1649060), (70, 1248574), (106, 824530), (140, 624287), (212, 412265), (265, 329812), (371, 235580), (530, 164906), (742, 117790), (1060, 82453), (1484, 58895), (1855, 47116), (3710, 23558), (7420, 11779)]