1490654890

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1\times {\mathrm{241}}^1$

素因数の和:587

約数の個数: 64

約数和(自身を含む): 2817286560

約数和(自身を除く): 1326631670

約数列:

[1, 2, 5, 10, 37, 73, 74, 146, 185, 229, 241, 365, 370, 458, 482, 730, 1145, 1205, 2290, 2410, 2701, 5402, 8473, 8917, 13505, 16717, 16946, 17593, 17834, 27010, 33434, 35186, 42365, 44585, 55189, 83585, 84730, 87965, 89170, 110378, 167170, 175930, 275945, 551890, 618529, 650941, 1237058, 1301882, 2041993, 3092645, 3254705, 4028797, 4083986, 6185290, 6509410, 8057594, 10209965, 20143985, 20419930, 40287970, 149065489, 298130978, 745327445, 1490654890]

約数ペア:

[(1, 1490654890), (2, 745327445), (5, 298130978), (10, 149065489), (37, 40287970), (73, 20419930), (74, 20143985), (146, 10209965), (185, 8057594), (229, 6509410), (241, 6185290), (365, 4083986), (370, 4028797), (458, 3254705), (482, 3092645), (730, 2041993), (1145, 1301882), (1205, 1237058), (2290, 650941), (2410, 618529), (2701, 551890), (5402, 275945), (8473, 175930), (8917, 167170), (13505, 110378), (16717, 89170), (16946, 87965), (17593, 84730), (17834, 83585), (27010, 55189), (33434, 44585), (35186, 42365)]