536400520

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{853}}^1$

素因数の和:1142

約数の個数: 64

約数和(自身を含む): 1229760000

約数和(自身を除く): 693359480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 199, 316, 395, 398, 632, 790, 796, 853, 995, 1580, 1592, 1706, 1990, 3160, 3412, 3980, 4265, 6824, 7960, 8530, 15721, 17060, 31442, 34120, 62884, 67387, 78605, 125768, 134774, 157210, 169747, 269548, 314420, 336935, 339494, 539096, 628840, 673870, 678988, 848735, 1347740, 1357976, 1697470, 2695480, 3394940, 6789880, 13410013, 26820026, 53640052, 67050065, 107280104, 134100130, 268200260, 536400520]

約数ペア:

[(1, 536400520), (2, 268200260), (4, 134100130), (5, 107280104), (8, 67050065), (10, 53640052), (20, 26820026), (40, 13410013), (79, 6789880), (158, 3394940), (199, 2695480), (316, 1697470), (395, 1357976), (398, 1347740), (632, 848735), (790, 678988), (796, 673870), (853, 628840), (995, 539096), (1580, 339494), (1592, 336935), (1706, 314420), (1990, 269548), (3160, 169747), (3412, 157210), (3980, 134774), (4265, 125768), (6824, 78605), (7960, 67387), (8530, 62884), (15721, 34120), (17060, 31442)]