86402820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{205721}}^1$

素因数の和:205740

約数の個数: 48

約数和(自身を含む): 276490368

約数和(自身を除く): 190087548

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, 205721, 411442, 617163, 822884, 1028605, 1234326, 1440047, 2057210, 2468652, 2880094, 3085815, 4114420, 4320141, 5760188, 6171630, 7200235, 8640282, 12343260, 14400470, 17280564, 21600705, 28800940, 43201410, 86402820]

約数ペア:

[(1, 86402820), (2, 43201410), (3, 28800940), (4, 21600705), (5, 17280564), (6, 14400470), (7, 12343260), (10, 8640282), (12, 7200235), (14, 6171630), (15, 5760188), (20, 4320141), (21, 4114420), (28, 3085815), (30, 2880094), (35, 2468652), (42, 2057210), (60, 1440047), (70, 1234326), (84, 1028605), (105, 822884), (140, 617163), (210, 411442), (420, 205721)]