231261250

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^3\times {\mathrm{139}}^1$

素因数の和:194

約数の個数: 80

約数和(自身を含む): 480221280

約数和(自身を除く): 248960030

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 125, 139, 242, 250, 275, 278, 550, 605, 625, 695, 1210, 1250, 1331, 1375, 1390, 1529, 2662, 2750, 3025, 3058, 3475, 6050, 6655, 6875, 6950, 7645, 13310, 13750, 15125, 15290, 16819, 17375, 30250, 33275, 33638, 34750, 38225, 66550, 75625, 76450, 84095, 86875, 151250, 166375, 168190, 173750, 185009, 191125, 332750, 370018, 382250, 420475, 831875, 840950, 925045, 955625, 1663750, 1850090, 1911250, 2102375, 4204750, 4625225, 9250450, 10511875, 21023750, 23126125, 46252250, 115630625, 231261250]

約数ペア:

[(1, 231261250), (2, 115630625), (5, 46252250), (10, 23126125), (11, 21023750), (22, 10511875), (25, 9250450), (50, 4625225), (55, 4204750), (110, 2102375), (121, 1911250), (125, 1850090), (139, 1663750), (242, 955625), (250, 925045), (275, 840950), (278, 831875), (550, 420475), (605, 382250), (625, 370018), (695, 332750), (1210, 191125), (1250, 185009), (1331, 173750), (1375, 168190), (1390, 166375), (1529, 151250), (2662, 86875), (2750, 84095), (3025, 76450), (3058, 75625), (3475, 66550), (6050, 38225), (6655, 34750), (6875, 33638), (6950, 33275), (7645, 30250), (13310, 17375), (13750, 16819), (15125, 15290)]