309268225

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1979}}^1$

素因数の和:2062

約数の個数: 48

約数和(自身を含む): 471398400

約数和(自身を除く): 162130175

約数列:

[1, 5, 7, 19, 25, 35, 47, 95, 133, 175, 235, 329, 475, 665, 893, 1175, 1645, 1979, 3325, 4465, 6251, 8225, 9895, 13853, 22325, 31255, 37601, 49475, 69265, 93013, 156275, 188005, 263207, 346325, 465065, 651091, 940025, 1316035, 1767247, 2325325, 3255455, 6580175, 8836235, 12370729, 16277275, 44181175, 61853645, 309268225]

約数ペア:

[(1, 309268225), (5, 61853645), (7, 44181175), (19, 16277275), (25, 12370729), (35, 8836235), (47, 6580175), (95, 3255455), (133, 2325325), (175, 1767247), (235, 1316035), (329, 940025), (475, 651091), (665, 465065), (893, 346325), (1175, 263207), (1645, 188005), (1979, 156275), (3325, 93013), (4465, 69265), (6251, 49475), (8225, 37601), (9895, 31255), (13853, 22325)]