247686180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{84247}}^1$

素因数の和:84273

約数の個数: 72

約数和(自身を含む): 806758848

約数和(自身を除く): 559072668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 84247, 168494, 252741, 336988, 421235, 505482, 589729, 842470, 1010964, 1179458, 1263705, 1684940, 1769187, 2358916, 2527410, 2948645, 3538374, 4128103, 5054820, 5897290, 7076748, 8256206, 8845935, 11794580, 12384309, 16512412, 17691870, 20640515, 24768618, 35383740, 41281030, 49537236, 61921545, 82562060, 123843090, 247686180]

約数ペア:

[(1, 247686180), (2, 123843090), (3, 82562060), (4, 61921545), (5, 49537236), (6, 41281030), (7, 35383740), (10, 24768618), (12, 20640515), (14, 17691870), (15, 16512412), (20, 12384309), (21, 11794580), (28, 8845935), (30, 8256206), (35, 7076748), (42, 5897290), (49, 5054820), (60, 4128103), (70, 3538374), (84, 2948645), (98, 2527410), (105, 2358916), (140, 1769187), (147, 1684940), (196, 1263705), (210, 1179458), (245, 1010964), (294, 842470), (420, 589729), (490, 505482), (588, 421235), (735, 336988), (980, 252741), (1470, 168494), (2940, 84247)]