2100347900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{69779}}^1$

素因数の和:69843

約数の個数: 72

約数和(自身を含む): 5330075520

約数和(自身を除く): 3229727620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 43, 50, 70, 86, 100, 140, 172, 175, 215, 301, 350, 430, 602, 700, 860, 1075, 1204, 1505, 2150, 3010, 4300, 6020, 7525, 15050, 30100, 69779, 139558, 279116, 348895, 488453, 697790, 976906, 1395580, 1744475, 1953812, 2442265, 3000497, 3488950, 4884530, 6000994, 6977900, 9769060, 12001988, 12211325, 15002485, 21003479, 24422650, 30004970, 42006958, 48845300, 60009940, 75012425, 84013916, 105017395, 150024850, 210034790, 300049700, 420069580, 525086975, 1050173950, 2100347900]

約数ペア:

[(1, 2100347900), (2, 1050173950), (4, 525086975), (5, 420069580), (7, 300049700), (10, 210034790), (14, 150024850), (20, 105017395), (25, 84013916), (28, 75012425), (35, 60009940), (43, 48845300), (50, 42006958), (70, 30004970), (86, 24422650), (100, 21003479), (140, 15002485), (172, 12211325), (175, 12001988), (215, 9769060), (301, 6977900), (350, 6000994), (430, 4884530), (602, 3488950), (700, 3000497), (860, 2442265), (1075, 1953812), (1204, 1744475), (1505, 1395580), (2150, 976906), (3010, 697790), (4300, 488453), (6020, 348895), (7525, 279116), (15050, 139558), (30100, 69779)]