490273840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:339

約数の個数: 160

約数和(自身を含む): 1347770880

約数和(自身を除く): 857497040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 67, 70, 73, 80, 112, 134, 140, 146, 179, 268, 280, 292, 335, 358, 365, 469, 511, 536, 560, 584, 670, 716, 730, 895, 938, 1022, 1072, 1168, 1253, 1340, 1432, 1460, 1790, 1876, 2044, 2345, 2506, 2555, 2680, 2864, 2920, 3580, 3752, 4088, 4690, 4891, 5012, 5110, 5360, 5840, 6265, 7160, 7504, 8176, 9380, 9782, 10024, 10220, 11993, 12530, 13067, 14320, 18760, 19564, 20048, 20440, 23986, 24455, 25060, 26134, 34237, 37520, 39128, 40880, 47972, 48910, 50120, 52268, 59965, 65335, 68474, 78256, 83951, 91469, 95944, 97820, 100240, 104536, 119930, 130670, 136948, 167902, 171185, 182938, 191888, 195640, 209072, 239860, 261340, 273896, 335804, 342370, 365876, 391280, 419755, 457345, 479720, 522680, 547792, 671608, 684740, 731752, 839510, 875489, 914690, 959440, 1045360, 1343216, 1369480, 1463504, 1679020, 1750978, 1829380, 2738960, 3358040, 3501956, 3658760, 4377445, 6128423, 6716080, 7003912, 7317520, 8754890, 12256846, 14007824, 17509780, 24513692, 30642115, 35019560, 49027384, 61284230, 70039120, 98054768, 122568460, 245136920, 490273840]

約数ペア:

[(1, 490273840), (2, 245136920), (4, 122568460), (5, 98054768), (7, 70039120), (8, 61284230), (10, 49027384), (14, 35019560), (16, 30642115), (20, 24513692), (28, 17509780), (35, 14007824), (40, 12256846), (56, 8754890), (67, 7317520), (70, 7003912), (73, 6716080), (80, 6128423), (112, 4377445), (134, 3658760), (140, 3501956), (146, 3358040), (179, 2738960), (268, 1829380), (280, 1750978), (292, 1679020), (335, 1463504), (358, 1369480), (365, 1343216), (469, 1045360), (511, 959440), (536, 914690), (560, 875489), (584, 839510), (670, 731752), (716, 684740), (730, 671608), (895, 547792), (938, 522680), (1022, 479720), (1072, 457345), (1168, 419755), (1253, 391280), (1340, 365876), (1432, 342370), (1460, 335804), (1790, 273896), (1876, 261340), (2044, 239860), (2345, 209072), (2506, 195640), (2555, 191888), (2680, 182938), (2864, 171185), (2920, 167902), (3580, 136948), (3752, 130670), (4088, 119930), (4690, 104536), (4891, 100240), (5012, 97820), (5110, 95944), (5360, 91469), (5840, 83951), (6265, 78256), (7160, 68474), (7504, 65335), (8176, 59965), (9380, 52268), (9782, 50120), (10024, 48910), (10220, 47972), (11993, 40880), (12530, 39128), (13067, 37520), (14320, 34237), (18760, 26134), (19564, 25060), (20048, 24455), (20440, 23986)]