253328660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{1801}}^1$

素因数の和:2364

約数の個数: 48

約数和(自身を含む): 574290192

約数和(自身を除く): 320961532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 541, 1082, 1801, 2164, 2705, 3602, 5410, 7033, 7204, 9005, 10820, 14066, 18010, 23413, 28132, 35165, 36020, 46826, 70330, 93652, 117065, 140660, 234130, 468260, 974341, 1948682, 3897364, 4871705, 9743410, 12666433, 19486820, 25332866, 50665732, 63332165, 126664330, 253328660]

約数ペア:

[(1, 253328660), (2, 126664330), (4, 63332165), (5, 50665732), (10, 25332866), (13, 19486820), (20, 12666433), (26, 9743410), (52, 4871705), (65, 3897364), (130, 1948682), (260, 974341), (541, 468260), (1082, 234130), (1801, 140660), (2164, 117065), (2705, 93652), (3602, 70330), (5410, 46826), (7033, 36020), (7204, 35165), (9005, 28132), (10820, 23413), (14066, 18010)]