1490202320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{7883}}^1$

素因数の和:8052

約数の個数: 80

約数和(自身を含む): 3695388480

約数和(自身を除く): 2205186160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 139, 170, 272, 278, 340, 556, 680, 695, 1112, 1360, 1390, 2224, 2363, 2780, 4726, 5560, 7883, 9452, 11120, 11815, 15766, 18904, 23630, 31532, 37808, 39415, 47260, 63064, 78830, 94520, 126128, 134011, 157660, 189040, 268022, 315320, 536044, 630640, 670055, 1072088, 1095737, 1340110, 2144176, 2191474, 2680220, 4382948, 5360440, 5478685, 8765896, 10720880, 10957370, 17531792, 18627529, 21914740, 37255058, 43829480, 74510116, 87658960, 93137645, 149020232, 186275290, 298040464, 372550580, 745101160, 1490202320]

約数ペア:

[(1, 1490202320), (2, 745101160), (4, 372550580), (5, 298040464), (8, 186275290), (10, 149020232), (16, 93137645), (17, 87658960), (20, 74510116), (34, 43829480), (40, 37255058), (68, 21914740), (80, 18627529), (85, 17531792), (136, 10957370), (139, 10720880), (170, 8765896), (272, 5478685), (278, 5360440), (340, 4382948), (556, 2680220), (680, 2191474), (695, 2144176), (1112, 1340110), (1360, 1095737), (1390, 1072088), (2224, 670055), (2363, 630640), (2780, 536044), (4726, 315320), (5560, 268022), (7883, 189040), (9452, 157660), (11120, 134011), (11815, 126128), (15766, 94520), (18904, 78830), (23630, 63064), (31532, 47260), (37808, 39415)]