780949700

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{5081}}^1$

素因数の和:5177

約数の個数: 72

約数和(自身を含む): 1786526280

約数和(自身を除く): 1005576580

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 53, 58, 100, 106, 116, 145, 212, 265, 290, 530, 580, 725, 1060, 1325, 1450, 1537, 2650, 2900, 3074, 5081, 5300, 6148, 7685, 10162, 15370, 20324, 25405, 30740, 38425, 50810, 76850, 101620, 127025, 147349, 153700, 254050, 269293, 294698, 508100, 538586, 589396, 736745, 1077172, 1346465, 1473490, 2692930, 2946980, 3683725, 5385860, 6732325, 7367450, 7809497, 13464650, 14734900, 15618994, 26929300, 31237988, 39047485, 78094970, 156189940, 195237425, 390474850, 780949700]

約数ペア:

[(1, 780949700), (2, 390474850), (4, 195237425), (5, 156189940), (10, 78094970), (20, 39047485), (25, 31237988), (29, 26929300), (50, 15618994), (53, 14734900), (58, 13464650), (100, 7809497), (106, 7367450), (116, 6732325), (145, 5385860), (212, 3683725), (265, 2946980), (290, 2692930), (530, 1473490), (580, 1346465), (725, 1077172), (1060, 736745), (1325, 589396), (1450, 538586), (1537, 508100), (2650, 294698), (2900, 269293), (3074, 254050), (5081, 153700), (5300, 147349), (6148, 127025), (7685, 101620), (10162, 76850), (15370, 50810), (20324, 38425), (25405, 30740)]