7128520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{3637}}^1$

素因数の和:3662

約数の個数: 48

約数和(自身を含む): 18662940

約数和(自身を除く): 11534420

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 3637, 7274, 14548, 18185, 25459, 29096, 36370, 50918, 72740, 101836, 127295, 145480, 178213, 203672, 254590, 356426, 509180, 712852, 891065, 1018360, 1425704, 1782130, 3564260, 7128520]

約数ペア:

[(1, 7128520), (2, 3564260), (4, 1782130), (5, 1425704), (7, 1018360), (8, 891065), (10, 712852), (14, 509180), (20, 356426), (28, 254590), (35, 203672), (40, 178213), (49, 145480), (56, 127295), (70, 101836), (98, 72740), (140, 50918), (196, 36370), (245, 29096), (280, 25459), (392, 18185), (490, 14548), (980, 7274), (1960, 3637)]