164903750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:279

約数の個数: 80

約数和(自身を含む): 344139840

約数和(自身を除く): 179236090

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 67, 110, 125, 134, 179, 250, 275, 335, 358, 550, 625, 670, 737, 895, 1250, 1375, 1474, 1675, 1790, 1969, 2750, 3350, 3685, 3938, 4475, 6875, 7370, 8375, 8950, 9845, 11993, 13750, 16750, 18425, 19690, 22375, 23986, 36850, 41875, 44750, 49225, 59965, 83750, 92125, 98450, 111875, 119930, 131923, 184250, 223750, 246125, 263846, 299825, 460625, 492250, 599650, 659615, 921250, 1230625, 1319230, 1499125, 2461250, 2998250, 3298075, 6596150, 7495625, 14991250, 16490375, 32980750, 82451875, 164903750]

約数ペア:

[(1, 164903750), (2, 82451875), (5, 32980750), (10, 16490375), (11, 14991250), (22, 7495625), (25, 6596150), (50, 3298075), (55, 2998250), (67, 2461250), (110, 1499125), (125, 1319230), (134, 1230625), (179, 921250), (250, 659615), (275, 599650), (335, 492250), (358, 460625), (550, 299825), (625, 263846), (670, 246125), (737, 223750), (895, 184250), (1250, 131923), (1375, 119930), (1474, 111875), (1675, 98450), (1790, 92125), (1969, 83750), (2750, 59965), (3350, 49225), (3685, 44750), (3938, 41875), (4475, 36850), (6875, 23986), (7370, 22375), (8375, 19690), (8950, 18425), (9845, 16750), (11993, 13750)]