8427650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{199}}^1$

素因数の和:240

約数の個数: 72

約数和(自身を含む): 19790400

約数和(自身を除く): 11362750

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 121, 154, 175, 199, 242, 275, 350, 385, 398, 550, 605, 770, 847, 995, 1210, 1393, 1694, 1925, 1990, 2189, 2786, 3025, 3850, 4235, 4378, 4975, 6050, 6965, 8470, 9950, 10945, 13930, 15323, 21175, 21890, 24079, 30646, 34825, 42350, 48158, 54725, 69650, 76615, 109450, 120395, 153230, 168553, 240790, 337106, 383075, 601975, 766150, 842765, 1203950, 1685530, 4213825, 8427650]

約数ペア:

[(1, 8427650), (2, 4213825), (5, 1685530), (7, 1203950), (10, 842765), (11, 766150), (14, 601975), (22, 383075), (25, 337106), (35, 240790), (50, 168553), (55, 153230), (70, 120395), (77, 109450), (110, 76615), (121, 69650), (154, 54725), (175, 48158), (199, 42350), (242, 34825), (275, 30646), (350, 24079), (385, 21890), (398, 21175), (550, 15323), (605, 13930), (770, 10945), (847, 9950), (995, 8470), (1210, 6965), (1393, 6050), (1694, 4975), (1925, 4378), (1990, 4235), (2189, 3850), (2786, 3025)]