517391660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{13219}}^1$

素因数の和:13350

約数の個数: 48

約数和(自身を含む): 1154899200

約数和(自身を除く): 637507540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 380, 412, 515, 1030, 1957, 2060, 3914, 7828, 9785, 13219, 19570, 26438, 39140, 52876, 66095, 132190, 251161, 264380, 502322, 1004644, 1255805, 1361557, 2511610, 2723114, 5023220, 5446228, 6807785, 13615570, 25869583, 27231140, 51739166, 103478332, 129347915, 258695830, 517391660]

約数ペア:

[(1, 517391660), (2, 258695830), (4, 129347915), (5, 103478332), (10, 51739166), (19, 27231140), (20, 25869583), (38, 13615570), (76, 6807785), (95, 5446228), (103, 5023220), (190, 2723114), (206, 2511610), (380, 1361557), (412, 1255805), (515, 1004644), (1030, 502322), (1957, 264380), (2060, 251161), (3914, 132190), (7828, 66095), (9785, 52876), (13219, 39140), (19570, 26438)]