78984140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{599}}^1$

素因数の和:974

約数の個数: 48

約数和(自身を含む): 175392000

約数和(自身を除く): 96407860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 347, 380, 599, 694, 1198, 1388, 1735, 2396, 2995, 3470, 5990, 6593, 6940, 11381, 11980, 13186, 22762, 26372, 32965, 45524, 56905, 65930, 113810, 131860, 207853, 227620, 415706, 831412, 1039265, 2078530, 3949207, 4157060, 7898414, 15796828, 19746035, 39492070, 78984140]

約数ペア:

[(1, 78984140), (2, 39492070), (4, 19746035), (5, 15796828), (10, 7898414), (19, 4157060), (20, 3949207), (38, 2078530), (76, 1039265), (95, 831412), (190, 415706), (347, 227620), (380, 207853), (599, 131860), (694, 113810), (1198, 65930), (1388, 56905), (1735, 45524), (2396, 32965), (2995, 26372), (3470, 22762), (5990, 13186), (6593, 11980), (6940, 11381)]