199394860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{2557}}^1$

素因数の和:3130

約数の個数: 48

約数和(自身を含む): 479594304

約数和(自身を除く): 280199444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 557, 1114, 2228, 2557, 2785, 3899, 5114, 5570, 7798, 10228, 11140, 12785, 15596, 17899, 19495, 25570, 35798, 38990, 51140, 71596, 77980, 89495, 178990, 357980, 1424249, 2848498, 5696996, 7121245, 9969743, 14242490, 19939486, 28484980, 39878972, 49848715, 99697430, 199394860]

約数ペア:

[(1, 199394860), (2, 99697430), (4, 49848715), (5, 39878972), (7, 28484980), (10, 19939486), (14, 14242490), (20, 9969743), (28, 7121245), (35, 5696996), (70, 2848498), (140, 1424249), (557, 357980), (1114, 178990), (2228, 89495), (2557, 77980), (2785, 71596), (3899, 51140), (5114, 38990), (5570, 35798), (7798, 25570), (10228, 19495), (11140, 17899), (12785, 15596)]