7921273290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{240257}}^1$

素因数の和:240431

約数の個数: 64

約数和(自身を含む): 21865400064

約数和(自身を除く): 13944126774

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 157, 210, 314, 471, 785, 942, 1099, 1570, 2198, 2355, 3297, 4710, 5495, 6594, 10990, 16485, 32970, 240257, 480514, 720771, 1201285, 1441542, 1681799, 2402570, 3363598, 3603855, 5045397, 7207710, 8408995, 10090794, 16817990, 25226985, 37720349, 50453970, 75440698, 113161047, 188601745, 226322094, 264042443, 377203490, 528084886, 565805235, 792127329, 1131610470, 1320212215, 1584254658, 2640424430, 3960636645, 7921273290]

約数ペア:

[(1, 7921273290), (2, 3960636645), (3, 2640424430), (5, 1584254658), (6, 1320212215), (7, 1131610470), (10, 792127329), (14, 565805235), (15, 528084886), (21, 377203490), (30, 264042443), (35, 226322094), (42, 188601745), (70, 113161047), (105, 75440698), (157, 50453970), (210, 37720349), (314, 25226985), (471, 16817990), (785, 10090794), (942, 8408995), (1099, 7207710), (1570, 5045397), (2198, 3603855), (2355, 3363598), (3297, 2402570), (4710, 1681799), (5495, 1441542), (6594, 1201285), (10990, 720771), (16485, 480514), (32970, 240257)]