199714620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{475511}}^1$

素因数の和:475530

約数の個数: 48

約数和(自身を含む): 639088128

約数和(自身を除く): 439373508

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, 475511, 951022, 1426533, 1902044, 2377555, 2853066, 3328577, 4755110, 5706132, 6657154, 7132665, 9510220, 9985731, 13314308, 14265330, 16642885, 19971462, 28530660, 33285770, 39942924, 49928655, 66571540, 99857310, 199714620]

約数ペア:

[(1, 199714620), (2, 99857310), (3, 66571540), (4, 49928655), (5, 39942924), (6, 33285770), (7, 28530660), (10, 19971462), (12, 16642885), (14, 14265330), (15, 13314308), (20, 9985731), (21, 9510220), (28, 7132665), (30, 6657154), (35, 5706132), (42, 4755110), (60, 3328577), (70, 2853066), (84, 2377555), (105, 1902044), (140, 1426533), (210, 951022), (420, 475511)]