349748860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 767658528

約数和(自身を除く): 417909668

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 101, 103, 164, 202, 205, 206, 404, 410, 412, 505, 515, 820, 1010, 1030, 1681, 2020, 2060, 3362, 4141, 4223, 6724, 8282, 8405, 8446, 10403, 16564, 16810, 16892, 20705, 20806, 21115, 33620, 41410, 41612, 42230, 52015, 82820, 84460, 104030, 169781, 173143, 208060, 339562, 346286, 426523, 679124, 692572, 848905, 853046, 865715, 1697810, 1706092, 1731430, 2132615, 3395620, 3462860, 4265230, 8530460, 17487443, 34974886, 69949772, 87437215, 174874430, 349748860]

約数ペア:

[(1, 349748860), (2, 174874430), (4, 87437215), (5, 69949772), (10, 34974886), (20, 17487443), (41, 8530460), (82, 4265230), (101, 3462860), (103, 3395620), (164, 2132615), (202, 1731430), (205, 1706092), (206, 1697810), (404, 865715), (410, 853046), (412, 848905), (505, 692572), (515, 679124), (820, 426523), (1010, 346286), (1030, 339562), (1681, 208060), (2020, 173143), (2060, 169781), (3362, 104030), (4141, 84460), (4223, 82820), (6724, 52015), (8282, 42230), (8405, 41612), (8446, 41410), (10403, 33620), (16564, 21115), (16810, 20806), (16892, 20705)]