212954060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{22511}}^1$

素因数の和:22574

約数の個数: 48

約数和(自身を含む): 499226112

約数和(自身を除く): 286272052

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 9460, 22511, 45022, 90044, 112555, 225110, 247621, 450220, 495242, 967973, 990484, 1238105, 1935946, 2476210, 3871892, 4839865, 4952420, 9679730, 10647703, 19359460, 21295406, 42590812, 53238515, 106477030, 212954060]

約数ペア:

[(1, 212954060), (2, 106477030), (4, 53238515), (5, 42590812), (10, 21295406), (11, 19359460), (20, 10647703), (22, 9679730), (43, 4952420), (44, 4839865), (55, 3871892), (86, 2476210), (110, 1935946), (172, 1238105), (215, 990484), (220, 967973), (430, 495242), (473, 450220), (860, 247621), (946, 225110), (1892, 112555), (2365, 90044), (4730, 45022), (9460, 22511)]