388306875

素因数分解:

$3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:382

約数の個数: 80

約数和(自身を含む): 718869888

約数和(自身を除く): 330563013

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 67, 75, 125, 165, 201, 275, 281, 335, 375, 625, 737, 825, 843, 1005, 1375, 1405, 1675, 1875, 2211, 3091, 3685, 4125, 4215, 5025, 6875, 7025, 8375, 9273, 11055, 15455, 18425, 18827, 20625, 21075, 25125, 35125, 41875, 46365, 55275, 56481, 77275, 92125, 94135, 105375, 125625, 175625, 207097, 231825, 276375, 282405, 386375, 460625, 470675, 526875, 621291, 1035485, 1159125, 1381875, 1412025, 1931875, 2353375, 3106455, 5177425, 5795625, 7060125, 11766875, 15532275, 25887125, 35300625, 77661375, 129435625, 388306875]

約数ペア:

[(1, 388306875), (3, 129435625), (5, 77661375), (11, 35300625), (15, 25887125), (25, 15532275), (33, 11766875), (55, 7060125), (67, 5795625), (75, 5177425), (125, 3106455), (165, 2353375), (201, 1931875), (275, 1412025), (281, 1381875), (335, 1159125), (375, 1035485), (625, 621291), (737, 526875), (825, 470675), (843, 460625), (1005, 386375), (1375, 282405), (1405, 276375), (1675, 231825), (1875, 207097), (2211, 175625), (3091, 125625), (3685, 105375), (4125, 94135), (4215, 92125), (5025, 77275), (6875, 56481), (7025, 55275), (8375, 46365), (9273, 41875), (11055, 35125), (15455, 25125), (18425, 21075), (18827, 20625)]