309852808280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{263}}^1\times {\mathrm{30649}}^1$

素因数の和:30985

約数の個数: 96

約数和(自身を含む): 723146292000

約数和(自身を除く): 413293483720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 263, 310, 526, 620, 961, 1052, 1240, 1315, 1922, 2104, 2630, 3844, 4805, 5260, 7688, 8153, 9610, 10520, 16306, 19220, 30649, 32612, 38440, 40765, 61298, 65224, 81530, 122596, 153245, 163060, 245192, 252743, 306490, 326120, 505486, 612980, 950119, 1010972, 1225960, 1263715, 1900238, 2021944, 2527430, 3800476, 4750595, 5054860, 7600952, 8060687, 9501190, 10109720, 16121374, 19002380, 29453689, 32242748, 38004760, 40303435, 58907378, 64485496, 80606870, 117814756, 147268445, 161213740, 235629512, 249881297, 294536890, 322427480, 499762594, 589073780, 999525188, 1178147560, 1249406485, 1999050376, 2498812970, 4997625940, 7746320207, 9995251880, 15492640414, 30985280828, 38731601035, 61970561656, 77463202070, 154926404140, 309852808280]

約数ペア:

[(1, 309852808280), (2, 154926404140), (4, 77463202070), (5, 61970561656), (8, 38731601035), (10, 30985280828), (20, 15492640414), (31, 9995251880), (40, 7746320207), (62, 4997625940), (124, 2498812970), (155, 1999050376), (248, 1249406485), (263, 1178147560), (310, 999525188), (526, 589073780), (620, 499762594), (961, 322427480), (1052, 294536890), (1240, 249881297), (1315, 235629512), (1922, 161213740), (2104, 147268445), (2630, 117814756), (3844, 80606870), (4805, 64485496), (5260, 58907378), (7688, 40303435), (8153, 38004760), (9610, 32242748), (10520, 29453689), (16306, 19002380), (19220, 16121374), (30649, 10109720), (32612, 9501190), (38440, 8060687), (40765, 7600952), (61298, 5054860), (65224, 4750595), (81530, 3800476), (122596, 2527430), (153245, 2021944), (163060, 1900238), (245192, 1263715), (252743, 1225960), (306490, 1010972), (326120, 950119), (505486, 612980)]