331389460

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1\times {\mathrm{349}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 704365200

約数和(自身を除く): 372975740

約数列:

[1, 2, 4, 5, 10, 20, 197, 241, 349, 394, 482, 698, 788, 964, 985, 1205, 1396, 1745, 1970, 2410, 3490, 3940, 4820, 6980, 47477, 68753, 84109, 94954, 137506, 168218, 189908, 237385, 275012, 336436, 343765, 420545, 474770, 687530, 841090, 949540, 1375060, 1682180, 16569473, 33138946, 66277892, 82847365, 165694730, 331389460]

約数ペア:

[(1, 331389460), (2, 165694730), (4, 82847365), (5, 66277892), (10, 33138946), (20, 16569473), (197, 1682180), (241, 1375060), (349, 949540), (394, 841090), (482, 687530), (698, 474770), (788, 420545), (964, 343765), (985, 336436), (1205, 275012), (1396, 237385), (1745, 189908), (1970, 168218), (2410, 137506), (3490, 94954), (3940, 84109), (4820, 68753), (6980, 47477)]