8565527500

素因数分解:

$2^2\times 5^4\times {\mathrm{139}}^1\times {\mathrm{157}}^2$

素因数の和:477

約数の個数: 90

約数和(自身を含む): 18986781660

約数和(自身を除く): 10421254160

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 139, 157, 250, 278, 314, 500, 556, 625, 628, 695, 785, 1250, 1390, 1570, 2500, 2780, 3140, 3475, 3925, 6950, 7850, 13900, 15700, 17375, 19625, 21823, 24649, 34750, 39250, 43646, 49298, 69500, 78500, 86875, 87292, 98125, 98596, 109115, 123245, 173750, 196250, 218230, 246490, 347500, 392500, 436460, 492980, 545575, 616225, 1091150, 1232450, 2182300, 2464900, 2727875, 3081125, 3426211, 5455750, 6162250, 6852422, 10911500, 12324500, 13639375, 13704844, 15405625, 17131055, 27278750, 30811250, 34262110, 54557500, 61622500, 68524220, 85655275, 171310550, 342621100, 428276375, 856552750, 1713105500, 2141381875, 4282763750, 8565527500]

約数ペア:

[(1, 8565527500), (2, 4282763750), (4, 2141381875), (5, 1713105500), (10, 856552750), (20, 428276375), (25, 342621100), (50, 171310550), (100, 85655275), (125, 68524220), (139, 61622500), (157, 54557500), (250, 34262110), (278, 30811250), (314, 27278750), (500, 17131055), (556, 15405625), (625, 13704844), (628, 13639375), (695, 12324500), (785, 10911500), (1250, 6852422), (1390, 6162250), (1570, 5455750), (2500, 3426211), (2780, 3081125), (3140, 2727875), (3475, 2464900), (3925, 2182300), (6950, 1232450), (7850, 1091150), (13900, 616225), (15700, 545575), (17375, 492980), (19625, 436460), (21823, 392500), (24649, 347500), (34750, 246490), (39250, 218230), (43646, 196250), (49298, 173750), (69500, 123245), (78500, 109115), (86875, 98596), (87292, 98125)]