128949700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{10657}}^1$

素因数の和:10693

約数の個数: 54

約数和(自身を含む): 307600538

約数和(自身を除く): 178650838

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 220, 242, 275, 484, 550, 605, 1100, 1210, 2420, 3025, 6050, 10657, 12100, 21314, 42628, 53285, 106570, 117227, 213140, 234454, 266425, 468908, 532850, 586135, 1065700, 1172270, 1289497, 2344540, 2578994, 2930675, 5157988, 5861350, 6447485, 11722700, 12894970, 25789940, 32237425, 64474850, 128949700]

約数ペア:

[(1, 128949700), (2, 64474850), (4, 32237425), (5, 25789940), (10, 12894970), (11, 11722700), (20, 6447485), (22, 5861350), (25, 5157988), (44, 2930675), (50, 2578994), (55, 2344540), (100, 1289497), (110, 1172270), (121, 1065700), (220, 586135), (242, 532850), (275, 468908), (484, 266425), (550, 234454), (605, 213140), (1100, 117227), (1210, 106570), (2420, 53285), (3025, 42628), (6050, 21314), (10657, 12100)]