51139900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1699}}^1$

素因数の和:1763

約数の個数: 72

約数和(自身を含む): 129852800

約数和(自身を除く): 78712900

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, 1699, 2150, 3010, 3398, 4300, 6020, 6796, 7525, 8495, 11893, 15050, 16990, 23786, 30100, 33980, 42475, 47572, 59465, 73057, 84950, 118930, 146114, 169900, 237860, 292228, 297325, 365285, 511399, 594650, 730570, 1022798, 1189300, 1461140, 1826425, 2045596, 2556995, 3652850, 5113990, 7305700, 10227980, 12784975, 25569950, 51139900]

約数ペア:

[(1, 51139900), (2, 25569950), (4, 12784975), (5, 10227980), (7, 7305700), (10, 5113990), (14, 3652850), (20, 2556995), (25, 2045596), (28, 1826425), (35, 1461140), (43, 1189300), (50, 1022798), (70, 730570), (86, 594650), (100, 511399), (140, 365285), (172, 297325), (175, 292228), (215, 237860), (301, 169900), (350, 146114), (430, 118930), (602, 84950), (700, 73057), (860, 59465), (1075, 47572), (1204, 42475), (1505, 33980), (1699, 30100), (2150, 23786), (3010, 16990), (3398, 15050), (4300, 11893), (6020, 8495), (6796, 7525)]