188965840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2657}}^1$

素因数の和:2804

約数の個数: 80

約数和(自身を含む): 506253312

約数和(自身を除く): 317287472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 635, 889, 1016, 1270, 1778, 2032, 2540, 2657, 3556, 4445, 5080, 5314, 7112, 8890, 10160, 10628, 13285, 14224, 17780, 18599, 21256, 26570, 35560, 37198, 42512, 53140, 71120, 74396, 92995, 106280, 148792, 185990, 212560, 297584, 337439, 371980, 674878, 743960, 1349756, 1487920, 1687195, 2362073, 2699512, 3374390, 4724146, 5399024, 6748780, 9448292, 11810365, 13497560, 18896584, 23620730, 26995120, 37793168, 47241460, 94482920, 188965840]

約数ペア:

[(1, 188965840), (2, 94482920), (4, 47241460), (5, 37793168), (7, 26995120), (8, 23620730), (10, 18896584), (14, 13497560), (16, 11810365), (20, 9448292), (28, 6748780), (35, 5399024), (40, 4724146), (56, 3374390), (70, 2699512), (80, 2362073), (112, 1687195), (127, 1487920), (140, 1349756), (254, 743960), (280, 674878), (508, 371980), (560, 337439), (635, 297584), (889, 212560), (1016, 185990), (1270, 148792), (1778, 106280), (2032, 92995), (2540, 74396), (2657, 71120), (3556, 53140), (4445, 42512), (5080, 37198), (5314, 35560), (7112, 26570), (8890, 21256), (10160, 18599), (10628, 17780), (13285, 14224)]