2015490820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{28621}}^1$

素因数の和:29140

約数の個数: 48

約数和(自身を含む): 4846963968

約数和(自身を除く): 2831473148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 503, 1006, 2012, 2515, 3521, 5030, 7042, 10060, 14084, 17605, 28621, 35210, 57242, 70420, 114484, 143105, 200347, 286210, 400694, 572420, 801388, 1001735, 2003470, 4006940, 14396363, 28792726, 57585452, 71981815, 100774541, 143963630, 201549082, 287927260, 403098164, 503872705, 1007745410, 2015490820]

約数ペア:

[(1, 2015490820), (2, 1007745410), (4, 503872705), (5, 403098164), (7, 287927260), (10, 201549082), (14, 143963630), (20, 100774541), (28, 71981815), (35, 57585452), (70, 28792726), (140, 14396363), (503, 4006940), (1006, 2003470), (2012, 1001735), (2515, 801388), (3521, 572420), (5030, 400694), (7042, 286210), (10060, 200347), (14084, 143105), (17605, 114484), (28621, 70420), (35210, 57242)]