308327240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{617}}^1$

素因数の和:703

約数の個数: 96

約数和(自身を含む): 773229240

約数和(自身を除く): 464902000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 617, 620, 806, 961, 1234, 1240, 1612, 1922, 2015, 2468, 3085, 3224, 3844, 4030, 4805, 4936, 6170, 7688, 8021, 8060, 9610, 12340, 12493, 16042, 16120, 19127, 19220, 24680, 24986, 32084, 38254, 38440, 40105, 49972, 62465, 64168, 76508, 80210, 95635, 99944, 124930, 153016, 160420, 191270, 248651, 249860, 320840, 382540, 497302, 499720, 592937, 765080, 994604, 1185874, 1243255, 1989208, 2371748, 2486510, 2964685, 4743496, 4973020, 5929370, 7708181, 9946040, 11858740, 15416362, 23717480, 30832724, 38540905, 61665448, 77081810, 154163620, 308327240]

約数ペア:

[(1, 308327240), (2, 154163620), (4, 77081810), (5, 61665448), (8, 38540905), (10, 30832724), (13, 23717480), (20, 15416362), (26, 11858740), (31, 9946040), (40, 7708181), (52, 5929370), (62, 4973020), (65, 4743496), (104, 2964685), (124, 2486510), (130, 2371748), (155, 1989208), (248, 1243255), (260, 1185874), (310, 994604), (403, 765080), (520, 592937), (617, 499720), (620, 497302), (806, 382540), (961, 320840), (1234, 249860), (1240, 248651), (1612, 191270), (1922, 160420), (2015, 153016), (2468, 124930), (3085, 99944), (3224, 95635), (3844, 80210), (4030, 76508), (4805, 64168), (4936, 62465), (6170, 49972), (7688, 40105), (8021, 38440), (8060, 38254), (9610, 32084), (12340, 24986), (12493, 24680), (16042, 19220), (16120, 19127)]