200737720

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{499}}^1$

素因数の和:712

約数の個数: 64

約数和(自身を含む): 461700000

約数和(自身を除く): 260962280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 113, 178, 226, 356, 445, 452, 499, 565, 712, 890, 904, 998, 1130, 1780, 1996, 2260, 2495, 3560, 3992, 4520, 4990, 9980, 10057, 19960, 20114, 40228, 44411, 50285, 56387, 80456, 88822, 100570, 112774, 177644, 201140, 222055, 225548, 281935, 355288, 402280, 444110, 451096, 563870, 888220, 1127740, 1776440, 2255480, 5018443, 10036886, 20073772, 25092215, 40147544, 50184430, 100368860, 200737720]

約数ペア:

[(1, 200737720), (2, 100368860), (4, 50184430), (5, 40147544), (8, 25092215), (10, 20073772), (20, 10036886), (40, 5018443), (89, 2255480), (113, 1776440), (178, 1127740), (226, 888220), (356, 563870), (445, 451096), (452, 444110), (499, 402280), (565, 355288), (712, 281935), (890, 225548), (904, 222055), (998, 201140), (1130, 177644), (1780, 112774), (1996, 100570), (2260, 88822), (2495, 80456), (3560, 56387), (3992, 50285), (4520, 44411), (4990, 40228), (9980, 20114), (10057, 19960)]