208601960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1493}}^1$

素因数の和:2010

約数の個数: 64

約数和(自身を含む): 537840000

約数和(自身を除く): 329238040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 499, 998, 1493, 1996, 2495, 2986, 3493, 3992, 4990, 5972, 6986, 7465, 9980, 10451, 11944, 13972, 14930, 17465, 19960, 20902, 27944, 29860, 34930, 41804, 52255, 59720, 69860, 83608, 104510, 139720, 209020, 418040, 745007, 1490014, 2980028, 3725035, 5215049, 5960056, 7450070, 10430098, 14900140, 20860196, 26075245, 29800280, 41720392, 52150490, 104300980, 208601960]

約数ペア:

[(1, 208601960), (2, 104300980), (4, 52150490), (5, 41720392), (7, 29800280), (8, 26075245), (10, 20860196), (14, 14900140), (20, 10430098), (28, 7450070), (35, 5960056), (40, 5215049), (56, 3725035), (70, 2980028), (140, 1490014), (280, 745007), (499, 418040), (998, 209020), (1493, 139720), (1996, 104510), (2495, 83608), (2986, 69860), (3493, 59720), (3992, 52255), (4990, 41804), (5972, 34930), (6986, 29860), (7465, 27944), (9980, 20902), (10451, 19960), (11944, 17465), (13972, 14930)]