201920620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31649}}^1$

素因数の和:31698

約数の個数: 48

約数和(自身を含む): 478548000

約数和(自身を除く): 276627380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 6380, 31649, 63298, 126596, 158245, 316490, 348139, 632980, 696278, 917821, 1392556, 1740695, 1835642, 3481390, 3671284, 4589105, 6962780, 9178210, 10096031, 18356420, 20192062, 40384124, 50480155, 100960310, 201920620]

約数ペア:

[(1, 201920620), (2, 100960310), (4, 50480155), (5, 40384124), (10, 20192062), (11, 18356420), (20, 10096031), (22, 9178210), (29, 6962780), (44, 4589105), (55, 3671284), (58, 3481390), (110, 1835642), (116, 1740695), (145, 1392556), (220, 917821), (290, 696278), (319, 632980), (580, 348139), (638, 316490), (1276, 158245), (1595, 126596), (3190, 63298), (6380, 31649)]