1871113750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:272

約数の個数: 120

約数和(自身を含む): 3926399400

約数和(自身を除く): 2055285650

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 89, 110, 121, 125, 139, 178, 242, 250, 275, 278, 445, 550, 605, 625, 695, 890, 979, 1210, 1250, 1375, 1390, 1529, 1958, 2225, 2750, 3025, 3058, 3475, 4450, 4895, 6050, 6875, 6950, 7645, 9790, 10769, 11125, 12371, 13750, 15125, 15290, 16819, 17375, 21538, 22250, 24475, 24742, 30250, 33638, 34750, 38225, 48950, 53845, 55625, 61855, 75625, 76450, 84095, 86875, 107690, 111250, 122375, 123710, 136081, 151250, 168190, 173750, 191125, 244750, 269225, 272162, 309275, 382250, 420475, 538450, 611875, 618550, 680405, 840950, 955625, 1223750, 1346125, 1360810, 1496891, 1546375, 1911250, 2102375, 2692250, 2993782, 3092750, 3402025, 4204750, 6730625, 6804050, 7484455, 7731875, 10511875, 13461250, 14968910, 15463750, 17010125, 21023750, 34020250, 37422275, 74844550, 85050625, 170101250, 187111375, 374222750, 935556875, 1871113750]

約数ペア:

[(1, 1871113750), (2, 935556875), (5, 374222750), (10, 187111375), (11, 170101250), (22, 85050625), (25, 74844550), (50, 37422275), (55, 34020250), (89, 21023750), (110, 17010125), (121, 15463750), (125, 14968910), (139, 13461250), (178, 10511875), (242, 7731875), (250, 7484455), (275, 6804050), (278, 6730625), (445, 4204750), (550, 3402025), (605, 3092750), (625, 2993782), (695, 2692250), (890, 2102375), (979, 1911250), (1210, 1546375), (1250, 1496891), (1375, 1360810), (1390, 1346125), (1529, 1223750), (1958, 955625), (2225, 840950), (2750, 680405), (3025, 618550), (3058, 611875), (3475, 538450), (4450, 420475), (4895, 382250), (6050, 309275), (6875, 272162), (6950, 269225), (7645, 244750), (9790, 191125), (10769, 173750), (11125, 168190), (12371, 151250), (13750, 136081), (15125, 123710), (15290, 122375), (16819, 111250), (17375, 107690), (21538, 86875), (22250, 84095), (24475, 76450), (24742, 75625), (30250, 61855), (33638, 55625), (34750, 53845), (38225, 48950)]