90589380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{215689}}^1$

素因数の和:215708

約数の個数: 48

約数和(自身を含む): 289887360

約数和(自身を除く): 199297980

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, 215689, 431378, 647067, 862756, 1078445, 1294134, 1509823, 2156890, 2588268, 3019646, 3235335, 4313780, 4529469, 6039292, 6470670, 7549115, 9058938, 12941340, 15098230, 18117876, 22647345, 30196460, 45294690, 90589380]

約数ペア:

[(1, 90589380), (2, 45294690), (3, 30196460), (4, 22647345), (5, 18117876), (6, 15098230), (7, 12941340), (10, 9058938), (12, 7549115), (14, 6470670), (15, 6039292), (20, 4529469), (21, 4313780), (28, 3235335), (30, 3019646), (35, 2588268), (42, 2156890), (60, 1509823), (70, 1294134), (84, 1078445), (105, 862756), (140, 647067), (210, 431378), (420, 215689)]