128568550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:382

約数の個数: 72

約数和(自身を含む): 267170400

約数和(自身を除く): 138601850

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 79, 110, 121, 158, 242, 269, 275, 395, 538, 550, 605, 790, 869, 1210, 1345, 1738, 1975, 2690, 2959, 3025, 3950, 4345, 5918, 6050, 6725, 8690, 9559, 13450, 14795, 19118, 21251, 21725, 29590, 32549, 42502, 43450, 47795, 65098, 73975, 95590, 106255, 147950, 162745, 212510, 233761, 238975, 325490, 467522, 477950, 531275, 813725, 1062550, 1168805, 1627450, 2337610, 2571371, 5142742, 5844025, 11688050, 12856855, 25713710, 64284275, 128568550]

約数ペア:

[(1, 128568550), (2, 64284275), (5, 25713710), (10, 12856855), (11, 11688050), (22, 5844025), (25, 5142742), (50, 2571371), (55, 2337610), (79, 1627450), (110, 1168805), (121, 1062550), (158, 813725), (242, 531275), (269, 477950), (275, 467522), (395, 325490), (538, 238975), (550, 233761), (605, 212510), (790, 162745), (869, 147950), (1210, 106255), (1345, 95590), (1738, 73975), (1975, 65098), (2690, 47795), (2959, 43450), (3025, 42502), (3950, 32549), (4345, 29590), (5918, 21725), (6050, 21251), (6725, 19118), (8690, 14795), (9559, 13450)]