74981205940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2217067}}^1$

素因数の和:2217184

約数の個数: 48

約数和(自身を含む): 167610340800

約数和(自身を除く): 92629134860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 3382, 6764, 8455, 16910, 33820, 2217067, 4434134, 8868268, 11085335, 22170670, 42124273, 44341340, 84248546, 168497092, 197318963, 210621365, 394637926, 421242730, 789275852, 842485460, 986594815, 1973189630, 3749060297, 3946379260, 7498120594, 14996241188, 18745301485, 37490602970, 74981205940]

約数ペア:

[(1, 74981205940), (2, 37490602970), (4, 18745301485), (5, 14996241188), (10, 7498120594), (19, 3946379260), (20, 3749060297), (38, 1973189630), (76, 986594815), (89, 842485460), (95, 789275852), (178, 421242730), (190, 394637926), (356, 210621365), (380, 197318963), (445, 168497092), (890, 84248546), (1691, 44341340), (1780, 42124273), (3382, 22170670), (6764, 11085335), (8455, 8868268), (16910, 4434134), (33820, 2217067)]