318739760

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{12037}}^1$

素因数の和:12381

約数の個数: 40

約数和(自身を含む): 743370576

約数和(自身を除く): 424630816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1324, 1655, 2648, 3310, 5296, 6620, 12037, 13240, 24074, 26480, 48148, 60185, 96296, 120370, 192592, 240740, 481480, 962960, 3984247, 7968494, 15936988, 19921235, 31873976, 39842470, 63747952, 79684940, 159369880, 318739760]

約数ペア:

[(1, 318739760), (2, 159369880), (4, 79684940), (5, 63747952), (8, 39842470), (10, 31873976), (16, 19921235), (20, 15936988), (40, 7968494), (80, 3984247), (331, 962960), (662, 481480), (1324, 240740), (1655, 192592), (2648, 120370), (3310, 96296), (5296, 60185), (6620, 48148), (12037, 26480), (13240, 24074)]