85857500

素因数分解:

$2^2\times 5^4\times {\mathrm{61}}^1\times {\mathrm{563}}^1$

素因数の和:648

約数の個数: 60

約数和(自身を含む): 191170056

約数和(自身を除く): 105312556

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 125, 244, 250, 305, 500, 563, 610, 625, 1126, 1220, 1250, 1525, 2252, 2500, 2815, 3050, 5630, 6100, 7625, 11260, 14075, 15250, 28150, 30500, 34343, 38125, 56300, 68686, 70375, 76250, 137372, 140750, 152500, 171715, 281500, 343430, 351875, 686860, 703750, 858575, 1407500, 1717150, 3434300, 4292875, 8585750, 17171500, 21464375, 42928750, 85857500]

約数ペア:

[(1, 85857500), (2, 42928750), (4, 21464375), (5, 17171500), (10, 8585750), (20, 4292875), (25, 3434300), (50, 1717150), (61, 1407500), (100, 858575), (122, 703750), (125, 686860), (244, 351875), (250, 343430), (305, 281500), (500, 171715), (563, 152500), (610, 140750), (625, 137372), (1126, 76250), (1220, 70375), (1250, 68686), (1525, 56300), (2252, 38125), (2500, 34343), (2815, 30500), (3050, 28150), (5630, 15250), (6100, 14075), (7625, 11260)]