492030280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{7001}}^1$

素因数の和:7270

約数の個数: 64

約数和(自身を含む): 1270442880

約数和(自身を除く): 778412600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 251, 280, 502, 1004, 1255, 1757, 2008, 2510, 3514, 5020, 7001, 7028, 8785, 10040, 14002, 14056, 17570, 28004, 35005, 35140, 49007, 56008, 70010, 70280, 98014, 140020, 196028, 245035, 280040, 392056, 490070, 980140, 1757251, 1960280, 3514502, 7029004, 8786255, 12300757, 14058008, 17572510, 24601514, 35145020, 49203028, 61503785, 70290040, 98406056, 123007570, 246015140, 492030280]

約数ペア:

[(1, 492030280), (2, 246015140), (4, 123007570), (5, 98406056), (7, 70290040), (8, 61503785), (10, 49203028), (14, 35145020), (20, 24601514), (28, 17572510), (35, 14058008), (40, 12300757), (56, 8786255), (70, 7029004), (140, 3514502), (251, 1960280), (280, 1757251), (502, 980140), (1004, 490070), (1255, 392056), (1757, 280040), (2008, 245035), (2510, 196028), (3514, 140020), (5020, 98014), (7001, 70280), (7028, 70010), (8785, 56008), (10040, 49007), (14002, 35140), (14056, 35005), (17570, 28004)]