207935900

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{26321}}^1$

素因数の和:26414

約数の個数: 36

約数和(自身を含む): 456949920

約数和(自身を除く): 249014020

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3950, 7900, 26321, 52642, 105284, 131605, 263210, 526420, 658025, 1316050, 2079359, 2632100, 4158718, 8317436, 10396795, 20793590, 41587180, 51983975, 103967950, 207935900]

約数ペア:

[(1, 207935900), (2, 103967950), (4, 51983975), (5, 41587180), (10, 20793590), (20, 10396795), (25, 8317436), (50, 4158718), (79, 2632100), (100, 2079359), (158, 1316050), (316, 658025), (395, 526420), (790, 263210), (1580, 131605), (1975, 105284), (3950, 52642), (7900, 26321)]