201457960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{2017}}^1$

素因数の和:2266

約数の個数: 64

約数和(自身を含む): 496912320

約数和(自身を除く): 295454360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 227, 440, 454, 908, 1135, 1816, 2017, 2270, 2497, 4034, 4540, 4994, 8068, 9080, 9988, 10085, 12485, 16136, 19976, 20170, 22187, 24970, 40340, 44374, 49940, 80680, 88748, 99880, 110935, 177496, 221870, 443740, 457859, 887480, 915718, 1831436, 2289295, 3662872, 4578590, 5036449, 9157180, 10072898, 18314360, 20145796, 25182245, 40291592, 50364490, 100728980, 201457960]

約数ペア:

[(1, 201457960), (2, 100728980), (4, 50364490), (5, 40291592), (8, 25182245), (10, 20145796), (11, 18314360), (20, 10072898), (22, 9157180), (40, 5036449), (44, 4578590), (55, 3662872), (88, 2289295), (110, 1831436), (220, 915718), (227, 887480), (440, 457859), (454, 443740), (908, 221870), (1135, 177496), (1816, 110935), (2017, 99880), (2270, 88748), (2497, 80680), (4034, 49940), (4540, 44374), (4994, 40340), (8068, 24970), (9080, 22187), (9988, 20170), (10085, 19976), (12485, 16136)]