438062020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{33749}}^1$

素因数の和:33828

約数の個数: 48

約数和(自身を含む): 1020600000

約数和(自身を除く): 582537980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 2596, 3245, 6490, 12980, 33749, 67498, 134996, 168745, 337490, 371239, 674980, 742478, 1484956, 1856195, 1991191, 3712390, 3982382, 7424780, 7964764, 9955955, 19911910, 21903101, 39823820, 43806202, 87612404, 109515505, 219031010, 438062020]

約数ペア:

[(1, 438062020), (2, 219031010), (4, 109515505), (5, 87612404), (10, 43806202), (11, 39823820), (20, 21903101), (22, 19911910), (44, 9955955), (55, 7964764), (59, 7424780), (110, 3982382), (118, 3712390), (220, 1991191), (236, 1856195), (295, 1484956), (590, 742478), (649, 674980), (1180, 371239), (1298, 337490), (2596, 168745), (3245, 134996), (6490, 67498), (12980, 33749)]