77984340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{185677}}^1$

素因数の和:185696

約数の個数: 48

約数和(自身を含む): 249551232

約数和(自身を除く): 171566892

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, 185677, 371354, 557031, 742708, 928385, 1114062, 1299739, 1856770, 2228124, 2599478, 2785155, 3713540, 3899217, 5198956, 5570310, 6498695, 7798434, 11140620, 12997390, 15596868, 19496085, 25994780, 38992170, 77984340]

約数ペア:

[(1, 77984340), (2, 38992170), (3, 25994780), (4, 19496085), (5, 15596868), (6, 12997390), (7, 11140620), (10, 7798434), (12, 6498695), (14, 5570310), (15, 5198956), (20, 3899217), (21, 3713540), (28, 2785155), (30, 2599478), (35, 2228124), (42, 1856770), (60, 1299739), (70, 1114062), (84, 928385), (105, 742708), (140, 557031), (210, 371354), (420, 185677)]