207697980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{494519}}^1$

素因数の和:494538

約数の個数: 48

約数和(自身を含む): 664634880

約数和(自身を除く): 456936900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 494519, 989038, 1483557, 1978076, 2472595, 2967114, 3461633, 4945190, 5934228, 6923266, 7417785, 9890380, 10384899, 13846532, 14835570, 17308165, 20769798, 29671140, 34616330, 41539596, 51924495, 69232660, 103848990, 207697980]

約数ペア:

[(1, 207697980), (2, 103848990), (3, 69232660), (4, 51924495), (5, 41539596), (6, 34616330), (7, 29671140), (10, 20769798), (12, 17308165), (14, 14835570), (15, 13846532), (20, 10384899), (21, 9890380), (28, 7417785), (30, 6923266), (35, 5934228), (42, 4945190), (60, 3461633), (70, 2967114), (84, 2472595), (105, 1978076), (140, 1483557), (210, 989038), (420, 494519)]