70989400

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{4493}}^1$

素因数の和:4588

約数の個数: 48

約数和(自身を含む): 167176800

約数和(自身を除く): 96187400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 158, 200, 316, 395, 632, 790, 1580, 1975, 3160, 3950, 4493, 7900, 8986, 15800, 17972, 22465, 35944, 44930, 89860, 112325, 179720, 224650, 354947, 449300, 709894, 898600, 1419788, 1774735, 2839576, 3549470, 7098940, 8873675, 14197880, 17747350, 35494700, 70989400]

約数ペア:

[(1, 70989400), (2, 35494700), (4, 17747350), (5, 14197880), (8, 8873675), (10, 7098940), (20, 3549470), (25, 2839576), (40, 1774735), (50, 1419788), (79, 898600), (100, 709894), (158, 449300), (200, 354947), (316, 224650), (395, 179720), (632, 112325), (790, 89860), (1580, 44930), (1975, 35944), (3160, 22465), (3950, 17972), (4493, 15800), (7900, 8986)]