7156220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 16063488

約数和(自身を除く): 8907268

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 331, 460, 470, 662, 940, 1081, 1324, 1655, 2162, 3310, 4324, 5405, 6620, 7613, 10810, 15226, 15557, 21620, 30452, 31114, 38065, 62228, 76130, 77785, 152260, 155570, 311140, 357811, 715622, 1431244, 1789055, 3578110, 7156220]

約数ペア:

[(1, 7156220), (2, 3578110), (4, 1789055), (5, 1431244), (10, 715622), (20, 357811), (23, 311140), (46, 155570), (47, 152260), (92, 77785), (94, 76130), (115, 62228), (188, 38065), (230, 31114), (235, 30452), (331, 21620), (460, 15557), (470, 15226), (662, 10810), (940, 7613), (1081, 6620), (1324, 5405), (1655, 4324), (2162, 3310)]