1972860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 5588352

約数和(自身を除く): 3615492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 251, 262, 393, 502, 524, 655, 753, 786, 1004, 1255, 1310, 1506, 1572, 1965, 2510, 2620, 3012, 3765, 3930, 5020, 7530, 7860, 15060, 32881, 65762, 98643, 131524, 164405, 197286, 328810, 394572, 493215, 657620, 986430, 1972860]

約数ペア:

[(1, 1972860), (2, 986430), (3, 657620), (4, 493215), (5, 394572), (6, 328810), (10, 197286), (12, 164405), (15, 131524), (20, 98643), (30, 65762), (60, 32881), (131, 15060), (251, 7860), (262, 7530), (393, 5020), (502, 3930), (524, 3765), (655, 3012), (753, 2620), (786, 2510), (1004, 1965), (1255, 1572), (1310, 1506)]