214621960

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{15643}}^1$

素因数の和:15675

約数の個数: 64

約数和(自身を含む): 563184000

約数和(自身を除く): 348562040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 13720, 15643, 31286, 62572, 78215, 109501, 125144, 156430, 219002, 312860, 438004, 547505, 625720, 766507, 876008, 1095010, 1533014, 2190020, 3066028, 3832535, 4380040, 5365549, 6132056, 7665070, 10731098, 15330140, 21462196, 26827745, 30660280, 42924392, 53655490, 107310980, 214621960]

約数ペア:

[(1, 214621960), (2, 107310980), (4, 53655490), (5, 42924392), (7, 30660280), (8, 26827745), (10, 21462196), (14, 15330140), (20, 10731098), (28, 7665070), (35, 6132056), (40, 5365549), (49, 4380040), (56, 3832535), (70, 3066028), (98, 2190020), (140, 1533014), (196, 1095010), (245, 876008), (280, 766507), (343, 625720), (392, 547505), (490, 438004), (686, 312860), (980, 219002), (1372, 156430), (1715, 125144), (1960, 109501), (2744, 78215), (3430, 62572), (6860, 31286), (13720, 15643)]