28757740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1951}}^1$

素因数の和:2038

約数の個数: 48

約数和(自身を含む): 66898944

約数和(自身を除く): 38141204

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 220, 268, 335, 670, 737, 1340, 1474, 1951, 2948, 3685, 3902, 7370, 7804, 9755, 14740, 19510, 21461, 39020, 42922, 85844, 107305, 130717, 214610, 261434, 429220, 522868, 653585, 1307170, 1437887, 2614340, 2875774, 5751548, 7189435, 14378870, 28757740]

約数ペア:

[(1, 28757740), (2, 14378870), (4, 7189435), (5, 5751548), (10, 2875774), (11, 2614340), (20, 1437887), (22, 1307170), (44, 653585), (55, 522868), (67, 429220), (110, 261434), (134, 214610), (220, 130717), (268, 107305), (335, 85844), (670, 42922), (737, 39020), (1340, 21461), (1474, 19510), (1951, 14740), (2948, 9755), (3685, 7804), (3902, 7370)]