90299930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{18169}}^1$

素因数の和:18254

約数の個数: 32

約数和(自身を含む): 188386560

約数和(自身を除く): 98086630

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 18169, 36338, 90845, 127183, 181690, 254366, 635915, 1271830, 1289999, 2579998, 6449995, 9029993, 12899990, 18059986, 45149965, 90299930]

約数ペア:

[(1, 90299930), (2, 45149965), (5, 18059986), (7, 12899990), (10, 9029993), (14, 6449995), (35, 2579998), (70, 1289999), (71, 1271830), (142, 635915), (355, 254366), (497, 181690), (710, 127183), (994, 90845), (2485, 36338), (4970, 18169)]