200028640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{178597}}^1$

素因数の和:178619

約数の個数: 48

約数和(自身を含む): 540080352

約数和(自身を除く): 340051712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 178597, 357194, 714388, 892985, 1250179, 1428776, 1785970, 2500358, 2857552, 3571940, 5000716, 5715104, 6250895, 7143880, 10001432, 12501790, 14287760, 20002864, 25003580, 28575520, 40005728, 50007160, 100014320, 200028640]

約数ペア:

[(1, 200028640), (2, 100014320), (4, 50007160), (5, 40005728), (7, 28575520), (8, 25003580), (10, 20002864), (14, 14287760), (16, 12501790), (20, 10001432), (28, 7143880), (32, 6250895), (35, 5715104), (40, 5000716), (56, 3571940), (70, 2857552), (80, 2500358), (112, 1785970), (140, 1428776), (160, 1250179), (224, 892985), (280, 714388), (560, 357194), (1120, 178597)]