181243182920

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{74279993}}^1$

素因数の和:74280065

約数の個数: 32

約数和(自身を含む): 414482366520

約数和(自身を除く): 233239183600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 74279993, 148559986, 297119972, 371399965, 594239944, 742799930, 1485599860, 2971199720, 4531079573, 9062159146, 18124318292, 22655397865, 36248636584, 45310795730, 90621591460, 181243182920]

約数ペア:

[(1, 181243182920), (2, 90621591460), (4, 45310795730), (5, 36248636584), (8, 22655397865), (10, 18124318292), (20, 9062159146), (40, 4531079573), (61, 2971199720), (122, 1485599860), (244, 742799930), (305, 594239944), (488, 371399965), (610, 297119972), (1220, 148559986), (2440, 74279993)]