135523220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{138289}}^1$

素因数の和:138312

約数の個数: 36

約数和(自身を含む): 331066260

約数和(自身を除く): 195543040

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 138289, 276578, 553156, 691445, 968023, 1382890, 1936046, 2765780, 3872092, 4840115, 6776161, 9680230, 13552322, 19360460, 27104644, 33880805, 67761610, 135523220]

約数ペア:

[(1, 135523220), (2, 67761610), (4, 33880805), (5, 27104644), (7, 19360460), (10, 13552322), (14, 9680230), (20, 6776161), (28, 4840115), (35, 3872092), (49, 2765780), (70, 1936046), (98, 1382890), (140, 968023), (196, 691445), (245, 553156), (490, 276578), (980, 138289)]