218699688080

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{5567711}}^1$

素因数の和:5568215

約数の個数: 40

約数和(自身を含む): 509512460544

約数和(自身を除く): 290812772464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1964, 2455, 3928, 4910, 7856, 9820, 19640, 39280, 5567711, 11135422, 22270844, 27838555, 44541688, 55677110, 89083376, 111354220, 222708440, 445416880, 2733746101, 5467492202, 10934984404, 13668730505, 21869968808, 27337461010, 43739937616, 54674922020, 109349844040, 218699688080]

約数ペア:

[(1, 218699688080), (2, 109349844040), (4, 54674922020), (5, 43739937616), (8, 27337461010), (10, 21869968808), (16, 13668730505), (20, 10934984404), (40, 5467492202), (80, 2733746101), (491, 445416880), (982, 222708440), (1964, 111354220), (2455, 89083376), (3928, 55677110), (4910, 44541688), (7856, 27838555), (9820, 22270844), (19640, 11135422), (39280, 5567711)]