127720100

素因数分解:

$2^2\times 5^2\times {\mathrm{557}}^1\times {\mathrm{2293}}^1$

素因数の和:2864

約数の個数: 36

約数和(自身を含む): 277771284

約数和(自身を除く): 150051184

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 557, 1114, 2228, 2293, 2785, 4586, 5570, 9172, 11140, 11465, 13925, 22930, 27850, 45860, 55700, 57325, 114650, 229300, 1277201, 2554402, 5108804, 6386005, 12772010, 25544020, 31930025, 63860050, 127720100]

約数ペア:

[(1, 127720100), (2, 63860050), (4, 31930025), (5, 25544020), (10, 12772010), (20, 6386005), (25, 5108804), (50, 2554402), (100, 1277201), (557, 229300), (1114, 114650), (2228, 57325), (2293, 55700), (2785, 45860), (4586, 27850), (5570, 22930), (9172, 13925), (11140, 11465)]