208535880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{248257}}^1$

素因数の和:248278

約数の個数: 64

約数和(自身を含む): 714983040

約数和(自身を除く): 506447160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 248257, 496514, 744771, 993028, 1241285, 1489542, 1737799, 1986056, 2482570, 2979084, 3475598, 3723855, 4965140, 5213397, 5958168, 6951196, 7447710, 8688995, 9930280, 10426794, 13902392, 14895420, 17377990, 20853588, 26066985, 29790840, 34755980, 41707176, 52133970, 69511960, 104267940, 208535880]

約数ペア:

[(1, 208535880), (2, 104267940), (3, 69511960), (4, 52133970), (5, 41707176), (6, 34755980), (7, 29790840), (8, 26066985), (10, 20853588), (12, 17377990), (14, 14895420), (15, 13902392), (20, 10426794), (21, 9930280), (24, 8688995), (28, 7447710), (30, 6951196), (35, 5958168), (40, 5213397), (42, 4965140), (56, 3723855), (60, 3475598), (70, 2979084), (84, 2482570), (105, 1986056), (120, 1737799), (140, 1489542), (168, 1241285), (210, 993028), (280, 744771), (420, 496514), (840, 248257)]