208921020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{4111}}^1$

素因数の和:4152

約数の個数: 144

約数和(自身を含む): 735028224

約数和(自身を除く): 526107204

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 121, 132, 140, 154, 165, 210, 220, 231, 242, 308, 330, 363, 385, 420, 462, 484, 605, 660, 726, 770, 847, 924, 1155, 1210, 1452, 1540, 1694, 1815, 2310, 2420, 2541, 3388, 3630, 4111, 4235, 4620, 5082, 7260, 8222, 8470, 10164, 12333, 12705, 16444, 16940, 20555, 24666, 25410, 28777, 41110, 45221, 49332, 50820, 57554, 61665, 82220, 86331, 90442, 115108, 123330, 135663, 143885, 172662, 180884, 226105, 246660, 271326, 287770, 316547, 345324, 431655, 452210, 497431, 542652, 575540, 633094, 678315, 863310, 904420, 949641, 994862, 1266188, 1356630, 1492293, 1582735, 1726620, 1899282, 1989724, 2487155, 2713260, 2984586, 3165470, 3482017, 3798564, 4748205, 4974310, 5969172, 6330940, 6964034, 7461465, 9496410, 9948620, 10446051, 13928068, 14922930, 17410085, 18992820, 20892102, 29845860, 34820170, 41784204, 52230255, 69640340, 104460510, 208921020]

約数ペア:

[(1, 208921020), (2, 104460510), (3, 69640340), (4, 52230255), (5, 41784204), (6, 34820170), (7, 29845860), (10, 20892102), (11, 18992820), (12, 17410085), (14, 14922930), (15, 13928068), (20, 10446051), (21, 9948620), (22, 9496410), (28, 7461465), (30, 6964034), (33, 6330940), (35, 5969172), (42, 4974310), (44, 4748205), (55, 3798564), (60, 3482017), (66, 3165470), (70, 2984586), (77, 2713260), (84, 2487155), (105, 1989724), (110, 1899282), (121, 1726620), (132, 1582735), (140, 1492293), (154, 1356630), (165, 1266188), (210, 994862), (220, 949641), (231, 904420), (242, 863310), (308, 678315), (330, 633094), (363, 575540), (385, 542652), (420, 497431), (462, 452210), (484, 431655), (605, 345324), (660, 316547), (726, 287770), (770, 271326), (847, 246660), (924, 226105), (1155, 180884), (1210, 172662), (1452, 143885), (1540, 135663), (1694, 123330), (1815, 115108), (2310, 90442), (2420, 86331), (2541, 82220), (3388, 61665), (3630, 57554), (4111, 50820), (4235, 49332), (4620, 45221), (5082, 41110), (7260, 28777), (8222, 25410), (8470, 24666), (10164, 20555), (12333, 16940), (12705, 16444)]