1880495540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{174443}}^1$

素因数の和:174477

約数の個数: 72

約数和(自身を含む): 5011427232

約数和(自身を除く): 3130931692

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 174443, 348886, 697772, 872215, 1221101, 1744430, 1918873, 2442202, 3488860, 3837746, 4884404, 6105505, 7675492, 8547707, 9594365, 12211010, 13432111, 17095414, 19188730, 24422020, 26864222, 34190828, 38377460, 42738535, 53728444, 67160555, 85477070, 94024777, 134321110, 170954140, 188049554, 268642220, 376099108, 470123885, 940247770, 1880495540]

約数ペア:

[(1, 1880495540), (2, 940247770), (4, 470123885), (5, 376099108), (7, 268642220), (10, 188049554), (11, 170954140), (14, 134321110), (20, 94024777), (22, 85477070), (28, 67160555), (35, 53728444), (44, 42738535), (49, 38377460), (55, 34190828), (70, 26864222), (77, 24422020), (98, 19188730), (110, 17095414), (140, 13432111), (154, 12211010), (196, 9594365), (220, 8547707), (245, 7675492), (308, 6105505), (385, 4884404), (490, 3837746), (539, 3488860), (770, 2442202), (980, 1918873), (1078, 1744430), (1540, 1221101), (2156, 872215), (2695, 697772), (5390, 348886), (10780, 174443)]