200996620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21247}}^1$

素因数の和:21310

約数の個数: 48

約数和(自身を含む): 471195648

約数和(自身を除く): 270199028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 9460, 21247, 42494, 84988, 106235, 212470, 233717, 424940, 467434, 913621, 934868, 1168585, 1827242, 2337170, 3654484, 4568105, 4674340, 9136210, 10049831, 18272420, 20099662, 40199324, 50249155, 100498310, 200996620]

約数ペア:

[(1, 200996620), (2, 100498310), (4, 50249155), (5, 40199324), (10, 20099662), (11, 18272420), (20, 10049831), (22, 9136210), (43, 4674340), (44, 4568105), (55, 3654484), (86, 2337170), (110, 1827242), (172, 1168585), (215, 934868), (220, 913621), (430, 467434), (473, 424940), (860, 233717), (946, 212470), (1892, 106235), (2365, 84988), (4730, 42494), (9460, 21247)]