72221090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 143216640

約数和(自身を除く): 70995550

約数列:

[1, 2, 5, 10, 19, 38, 41, 73, 82, 95, 127, 146, 190, 205, 254, 365, 410, 635, 730, 779, 1270, 1387, 1558, 2413, 2774, 2993, 3895, 4826, 5207, 5986, 6935, 7790, 9271, 10414, 12065, 13870, 14965, 18542, 24130, 26035, 29930, 46355, 52070, 56867, 92710, 98933, 113734, 176149, 197866, 284335, 352298, 380111, 494665, 568670, 760222, 880745, 989330, 1761490, 1900555, 3801110, 7222109, 14444218, 36110545, 72221090]

約数ペア:

[(1, 72221090), (2, 36110545), (5, 14444218), (10, 7222109), (19, 3801110), (38, 1900555), (41, 1761490), (73, 989330), (82, 880745), (95, 760222), (127, 568670), (146, 494665), (190, 380111), (205, 352298), (254, 284335), (365, 197866), (410, 176149), (635, 113734), (730, 98933), (779, 92710), (1270, 56867), (1387, 52070), (1558, 46355), (2413, 29930), (2774, 26035), (2993, 24130), (3895, 18542), (4826, 14965), (5207, 13870), (5986, 12065), (6935, 10414), (7790, 9271)]