214228520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{13159}}^1$

素因数の和:13218

約数の個数: 64

約数和(自身を含む): 540086400

約数和(自身を除く): 325857880

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, 13159, 16280, 26318, 52636, 65795, 105272, 131590, 144749, 263180, 289498, 486883, 526360, 578996, 723745, 973766, 1157992, 1447490, 1947532, 2434415, 2894980, 3895064, 4868830, 5355713, 5789960, 9737660, 10711426, 19475320, 21422852, 26778565, 42845704, 53557130, 107114260, 214228520]

約数ペア:

[(1, 214228520), (2, 107114260), (4, 53557130), (5, 42845704), (8, 26778565), (10, 21422852), (11, 19475320), (20, 10711426), (22, 9737660), (37, 5789960), (40, 5355713), (44, 4868830), (55, 3895064), (74, 2894980), (88, 2434415), (110, 1947532), (148, 1447490), (185, 1157992), (220, 973766), (296, 723745), (370, 578996), (407, 526360), (440, 486883), (740, 289498), (814, 263180), (1480, 144749), (1628, 131590), (2035, 105272), (3256, 65795), (4070, 52636), (8140, 26318), (13159, 16280)]