68214250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 139426560

約数和(自身を除く): 71212310

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 139, 151, 250, 278, 302, 325, 650, 695, 755, 1390, 1510, 1625, 1807, 1963, 3250, 3475, 3614, 3775, 3926, 6950, 7550, 9035, 9815, 17375, 18070, 18875, 19630, 20989, 34750, 37750, 41978, 45175, 49075, 90350, 98150, 104945, 209890, 225875, 245375, 272857, 451750, 490750, 524725, 545714, 1049450, 1364285, 2623625, 2728570, 5247250, 6821425, 13642850, 34107125, 68214250]

約数ペア:

[(1, 68214250), (2, 34107125), (5, 13642850), (10, 6821425), (13, 5247250), (25, 2728570), (26, 2623625), (50, 1364285), (65, 1049450), (125, 545714), (130, 524725), (139, 490750), (151, 451750), (250, 272857), (278, 245375), (302, 225875), (325, 209890), (650, 104945), (695, 98150), (755, 90350), (1390, 49075), (1510, 45175), (1625, 41978), (1807, 37750), (1963, 34750), (3250, 20989), (3475, 19630), (3614, 18875), (3775, 18070), (3926, 17375), (6950, 9815), (7550, 9035)]