280615370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2089}}^1$

素因数の和:2223

約数の個数: 64

約数和(自身を含む): 613958400

約数和(自身を除く): 333343030

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 101, 133, 190, 202, 266, 505, 665, 707, 1010, 1330, 1414, 1919, 2089, 3535, 3838, 4178, 7070, 9595, 10445, 13433, 14623, 19190, 20890, 26866, 29246, 39691, 67165, 73115, 79382, 134330, 146230, 198455, 210989, 277837, 396910, 421978, 555674, 1054945, 1389185, 1476923, 2109890, 2778370, 2953846, 4008791, 7384615, 8017582, 14769230, 20043955, 28061537, 40087910, 56123074, 140307685, 280615370]

約数ペア:

[(1, 280615370), (2, 140307685), (5, 56123074), (7, 40087910), (10, 28061537), (14, 20043955), (19, 14769230), (35, 8017582), (38, 7384615), (70, 4008791), (95, 2953846), (101, 2778370), (133, 2109890), (190, 1476923), (202, 1389185), (266, 1054945), (505, 555674), (665, 421978), (707, 396910), (1010, 277837), (1330, 210989), (1414, 198455), (1919, 146230), (2089, 134330), (3535, 79382), (3838, 73115), (4178, 67165), (7070, 39691), (9595, 29246), (10445, 26866), (13433, 20890), (14623, 19190)]