217140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1$

素因数の和:77

約数の個数: 96

約数和(自身を含む): 774144

約数和(自身を除く): 557004

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 47, 55, 60, 66, 70, 77, 84, 94, 105, 110, 132, 140, 141, 154, 165, 188, 210, 220, 231, 235, 282, 308, 329, 330, 385, 420, 462, 470, 517, 564, 658, 660, 705, 770, 924, 940, 987, 1034, 1155, 1316, 1410, 1540, 1551, 1645, 1974, 2068, 2310, 2585, 2820, 3102, 3290, 3619, 3948, 4620, 4935, 5170, 6204, 6580, 7238, 7755, 9870, 10340, 10857, 14476, 15510, 18095, 19740, 21714, 31020, 36190, 43428, 54285, 72380, 108570, 217140]

約数ペア:

[(1, 217140), (2, 108570), (3, 72380), (4, 54285), (5, 43428), (6, 36190), (7, 31020), (10, 21714), (11, 19740), (12, 18095), (14, 15510), (15, 14476), (20, 10857), (21, 10340), (22, 9870), (28, 7755), (30, 7238), (33, 6580), (35, 6204), (42, 5170), (44, 4935), (47, 4620), (55, 3948), (60, 3619), (66, 3290), (70, 3102), (77, 2820), (84, 2585), (94, 2310), (105, 2068), (110, 1974), (132, 1645), (140, 1551), (141, 1540), (154, 1410), (165, 1316), (188, 1155), (210, 1034), (220, 987), (231, 940), (235, 924), (282, 770), (308, 705), (329, 660), (330, 658), (385, 564), (420, 517), (462, 470)]