213722320

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{54521}}^1$

素因数の和:54548

約数の個数: 60

約数和(自身を含む): 578042244

約数和(自身を除く): 364319924

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 54521, 109042, 218084, 272605, 381647, 436168, 545210, 763294, 872336, 1090420, 1526588, 1908235, 2180840, 2671529, 3053176, 3816470, 4361680, 5343058, 6106352, 7632940, 10686116, 13357645, 15265880, 21372232, 26715290, 30531760, 42744464, 53430580, 106861160, 213722320]

約数ペア:

[(1, 213722320), (2, 106861160), (4, 53430580), (5, 42744464), (7, 30531760), (8, 26715290), (10, 21372232), (14, 15265880), (16, 13357645), (20, 10686116), (28, 7632940), (35, 6106352), (40, 5343058), (49, 4361680), (56, 3816470), (70, 3053176), (80, 2671529), (98, 2180840), (112, 1908235), (140, 1526588), (196, 1090420), (245, 872336), (280, 763294), (392, 545210), (490, 436168), (560, 381647), (784, 272605), (980, 218084), (1960, 109042), (3920, 54521)]