205997660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{3701}}^1$

素因数の和:3755

約数の個数: 72

約数和(自身を含む): 496304928

約数和(自身を除く): 290307268

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 220, 230, 242, 253, 460, 484, 506, 605, 1012, 1210, 1265, 2420, 2530, 2783, 3701, 5060, 5566, 7402, 11132, 13915, 14804, 18505, 27830, 37010, 40711, 55660, 74020, 81422, 85123, 162844, 170246, 203555, 340492, 407110, 425615, 447821, 814220, 851230, 895642, 936353, 1702460, 1791284, 1872706, 2239105, 3745412, 4478210, 4681765, 8956420, 9363530, 10299883, 18727060, 20599766, 41199532, 51499415, 102998830, 205997660]

約数ペア:

[(1, 205997660), (2, 102998830), (4, 51499415), (5, 41199532), (10, 20599766), (11, 18727060), (20, 10299883), (22, 9363530), (23, 8956420), (44, 4681765), (46, 4478210), (55, 3745412), (92, 2239105), (110, 1872706), (115, 1791284), (121, 1702460), (220, 936353), (230, 895642), (242, 851230), (253, 814220), (460, 447821), (484, 425615), (506, 407110), (605, 340492), (1012, 203555), (1210, 170246), (1265, 162844), (2420, 85123), (2530, 81422), (2783, 74020), (3701, 55660), (5060, 40711), (5566, 37010), (7402, 27830), (11132, 18505), (13915, 14804)]