201642740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{14633}}^1$

素因数の和:14708

約数の個数: 48

約数和(自身を含む): 464658768

約数和(自身を除く): 263016028

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 6890, 13780, 14633, 29266, 58532, 73165, 146330, 190229, 292660, 380458, 760916, 775549, 951145, 1551098, 1902290, 3102196, 3804580, 3877745, 7755490, 10082137, 15510980, 20164274, 40328548, 50410685, 100821370, 201642740]

約数ペア:

[(1, 201642740), (2, 100821370), (4, 50410685), (5, 40328548), (10, 20164274), (13, 15510980), (20, 10082137), (26, 7755490), (52, 3877745), (53, 3804580), (65, 3102196), (106, 1902290), (130, 1551098), (212, 951145), (260, 775549), (265, 760916), (530, 380458), (689, 292660), (1060, 190229), (1378, 146330), (2756, 73165), (3445, 58532), (6890, 29266), (13780, 14633)]