153538970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1229}}^1$

素因数の和:1311

約数の個数: 48

約数和(自身を含む): 307790280

約数和(自身を除く): 154251310

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 961, 1229, 1922, 2015, 2458, 4030, 4805, 6145, 9610, 12290, 12493, 15977, 24986, 31954, 38099, 62465, 76198, 79885, 124930, 159770, 190495, 380990, 495287, 990574, 1181069, 2362138, 2476435, 4952870, 5905345, 11810690, 15353897, 30707794, 76769485, 153538970]

約数ペア:

[(1, 153538970), (2, 76769485), (5, 30707794), (10, 15353897), (13, 11810690), (26, 5905345), (31, 4952870), (62, 2476435), (65, 2362138), (130, 1181069), (155, 990574), (310, 495287), (403, 380990), (806, 190495), (961, 159770), (1229, 124930), (1922, 79885), (2015, 76198), (2458, 62465), (4030, 38099), (4805, 31954), (6145, 24986), (9610, 15977), (12290, 12493)]