31155340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{761}}^1$

素因数の和:882

約数の個数: 48

約数和(自身を含む): 69128640

約数和(自身を除く): 37973300

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 115, 178, 230, 356, 445, 460, 761, 890, 1522, 1780, 2047, 3044, 3805, 4094, 7610, 8188, 10235, 15220, 17503, 20470, 35006, 40940, 67729, 70012, 87515, 135458, 175030, 270916, 338645, 350060, 677290, 1354580, 1557767, 3115534, 6231068, 7788835, 15577670, 31155340]

約数ペア:

[(1, 31155340), (2, 15577670), (4, 7788835), (5, 6231068), (10, 3115534), (20, 1557767), (23, 1354580), (46, 677290), (89, 350060), (92, 338645), (115, 270916), (178, 175030), (230, 135458), (356, 87515), (445, 70012), (460, 67729), (761, 40940), (890, 35006), (1522, 20470), (1780, 17503), (2047, 15220), (3044, 10235), (3805, 8188), (4094, 7610)]