9780200

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{619}}^1$

素因数の和:714

約数の個数: 48

約数和(自身を含む): 23064000

約数和(自身を除く): 13283800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 158, 200, 316, 395, 619, 632, 790, 1238, 1580, 1975, 2476, 3095, 3160, 3950, 4952, 6190, 7900, 12380, 15475, 15800, 24760, 30950, 48901, 61900, 97802, 123800, 195604, 244505, 391208, 489010, 978020, 1222525, 1956040, 2445050, 4890100, 9780200]

約数ペア:

[(1, 9780200), (2, 4890100), (4, 2445050), (5, 1956040), (8, 1222525), (10, 978020), (20, 489010), (25, 391208), (40, 244505), (50, 195604), (79, 123800), (100, 97802), (158, 61900), (200, 48901), (316, 30950), (395, 24760), (619, 15800), (632, 15475), (790, 12380), (1238, 7900), (1580, 6190), (1975, 4952), (2476, 3950), (3095, 3160)]