31704580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 70076160

約数和(自身を除く): 38371580

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 157, 230, 314, 439, 460, 628, 785, 878, 1570, 1756, 2195, 3140, 3611, 4390, 7222, 8780, 10097, 14444, 18055, 20194, 36110, 40388, 50485, 68923, 72220, 100970, 137846, 201940, 275692, 344615, 689230, 1378460, 1585229, 3170458, 6340916, 7926145, 15852290, 31704580]

約数ペア:

[(1, 31704580), (2, 15852290), (4, 7926145), (5, 6340916), (10, 3170458), (20, 1585229), (23, 1378460), (46, 689230), (92, 344615), (115, 275692), (157, 201940), (230, 137846), (314, 100970), (439, 72220), (460, 68923), (628, 50485), (785, 40388), (878, 36110), (1570, 20194), (1756, 18055), (2195, 14444), (3140, 10097), (3611, 8780), (4390, 7222)]