199944560

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{86183}}^1$

素因数の和:86225

約数の個数: 40

約数和(自身を含む): 480906720

約数和(自身を除く): 280962160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 86183, 172366, 344732, 430915, 689464, 861830, 1378928, 1723660, 2499307, 3447320, 4998614, 6894640, 9997228, 12496535, 19994456, 24993070, 39988912, 49986140, 99972280, 199944560]

約数ペア:

[(1, 199944560), (2, 99972280), (4, 49986140), (5, 39988912), (8, 24993070), (10, 19994456), (16, 12496535), (20, 9997228), (29, 6894640), (40, 4998614), (58, 3447320), (80, 2499307), (116, 1723660), (145, 1378928), (232, 861830), (290, 689464), (464, 430915), (580, 344732), (1160, 172366), (2320, 86183)]