289853560

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{1297}}^1$

素因数の和:1496

約数の個数: 64

約数和(自身を含む): 674752320

約数和(自身を除く): 384898760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 151, 185, 296, 302, 370, 604, 740, 755, 1208, 1297, 1480, 1510, 2594, 3020, 5188, 5587, 6040, 6485, 10376, 11174, 12970, 22348, 25940, 27935, 44696, 47989, 51880, 55870, 95978, 111740, 191956, 195847, 223480, 239945, 383912, 391694, 479890, 783388, 959780, 979235, 1566776, 1919560, 1958470, 3916940, 7246339, 7833880, 14492678, 28985356, 36231695, 57970712, 72463390, 144926780, 289853560]

約数ペア:

[(1, 289853560), (2, 144926780), (4, 72463390), (5, 57970712), (8, 36231695), (10, 28985356), (20, 14492678), (37, 7833880), (40, 7246339), (74, 3916940), (148, 1958470), (151, 1919560), (185, 1566776), (296, 979235), (302, 959780), (370, 783388), (604, 479890), (740, 391694), (755, 383912), (1208, 239945), (1297, 223480), (1480, 195847), (1510, 191956), (2594, 111740), (3020, 95978), (5188, 55870), (5587, 51880), (6040, 47989), (6485, 44696), (10376, 27935), (11174, 25940), (12970, 22348)]