198668820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{473021}}^1$

素因数の和:473040

約数の個数: 48

約数和(自身を含む): 635741568

約数和(自身を除く): 437072748

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, 473021, 946042, 1419063, 1892084, 2365105, 2838126, 3311147, 4730210, 5676252, 6622294, 7095315, 9460420, 9933441, 13244588, 14190630, 16555735, 19866882, 28381260, 33111470, 39733764, 49667205, 66222940, 99334410, 198668820]

約数ペア:

[(1, 198668820), (2, 99334410), (3, 66222940), (4, 49667205), (5, 39733764), (6, 33111470), (7, 28381260), (10, 19866882), (12, 16555735), (14, 14190630), (15, 13244588), (20, 9933441), (21, 9460420), (28, 7095315), (30, 6622294), (35, 5676252), (42, 4730210), (60, 3311147), (70, 2838126), (84, 2365105), (105, 1892084), (140, 1419063), (210, 946042), (420, 473021)]