350199100

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{457}}^1$

素因数の和:647

約数の個数: 72

約数和(自身を含む): 779186240

約数和(自身を除く): 428987140

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 97, 100, 158, 194, 316, 388, 395, 457, 485, 790, 914, 970, 1580, 1828, 1940, 1975, 2285, 2425, 3950, 4570, 4850, 7663, 7900, 9140, 9700, 11425, 15326, 22850, 30652, 36103, 38315, 44329, 45700, 72206, 76630, 88658, 144412, 153260, 177316, 180515, 191575, 221645, 361030, 383150, 443290, 722060, 766300, 886580, 902575, 1108225, 1805150, 2216450, 3501991, 3610300, 4432900, 7003982, 14007964, 17509955, 35019910, 70039820, 87549775, 175099550, 350199100]

約数ペア:

[(1, 350199100), (2, 175099550), (4, 87549775), (5, 70039820), (10, 35019910), (20, 17509955), (25, 14007964), (50, 7003982), (79, 4432900), (97, 3610300), (100, 3501991), (158, 2216450), (194, 1805150), (316, 1108225), (388, 902575), (395, 886580), (457, 766300), (485, 722060), (790, 443290), (914, 383150), (970, 361030), (1580, 221645), (1828, 191575), (1940, 180515), (1975, 177316), (2285, 153260), (2425, 144412), (3950, 88658), (4570, 76630), (4850, 72206), (7663, 45700), (7900, 44329), (9140, 38315), (9700, 36103), (11425, 30652), (15326, 22850)]