844264520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{51859}}^1$

素因数の和:51918

約数の個数: 64

約数和(自身を含む): 2128334400

約数和(自身を除く): 1284069880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 2035, 3256, 4070, 8140, 16280, 51859, 103718, 207436, 259295, 414872, 518590, 570449, 1037180, 1140898, 1918783, 2074360, 2281796, 2852245, 3837566, 4563592, 5704490, 7675132, 9593915, 11408980, 15350264, 19187830, 21106613, 22817960, 38375660, 42213226, 76751320, 84426452, 105533065, 168852904, 211066130, 422132260, 844264520]

約数ペア:

[(1, 844264520), (2, 422132260), (4, 211066130), (5, 168852904), (8, 105533065), (10, 84426452), (11, 76751320), (20, 42213226), (22, 38375660), (37, 22817960), (40, 21106613), (44, 19187830), (55, 15350264), (74, 11408980), (88, 9593915), (110, 7675132), (148, 5704490), (185, 4563592), (220, 3837566), (296, 2852245), (370, 2281796), (407, 2074360), (440, 1918783), (740, 1140898), (814, 1037180), (1480, 570449), (1628, 518590), (2035, 414872), (3256, 259295), (4070, 207436), (8140, 103718), (16280, 51859)]