209770924

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:140

約数の個数: 72

約数和(自身を含む): 427403088

約数和(自身を除く): 217632164

約数列:

[1, 2, 4, 11, 22, 31, 41, 44, 62, 82, 121, 124, 164, 242, 341, 451, 484, 682, 902, 961, 1271, 1331, 1364, 1804, 1922, 2542, 2662, 3751, 3844, 4961, 5084, 5324, 7502, 9922, 10571, 13981, 15004, 19844, 21142, 27962, 39401, 41261, 42284, 54571, 55924, 78802, 82522, 109142, 116281, 153791, 157604, 165044, 218284, 232562, 307582, 433411, 465124, 615164, 866822, 1279091, 1691701, 1733644, 2558182, 3383402, 4767521, 5116364, 6766804, 9535042, 19070084, 52442731, 104885462, 209770924]

約数ペア:

[(1, 209770924), (2, 104885462), (4, 52442731), (11, 19070084), (22, 9535042), (31, 6766804), (41, 5116364), (44, 4767521), (62, 3383402), (82, 2558182), (121, 1733644), (124, 1691701), (164, 1279091), (242, 866822), (341, 615164), (451, 465124), (484, 433411), (682, 307582), (902, 232562), (961, 218284), (1271, 165044), (1331, 157604), (1364, 153791), (1804, 116281), (1922, 109142), (2542, 82522), (2662, 78802), (3751, 55924), (3844, 54571), (4961, 42284), (5084, 41261), (5324, 39401), (7502, 27962), (9922, 21142), (10571, 19844), (13981, 15004)]