69500740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{647}}^1$

素因数の和:828

約数の個数: 48

約数和(自身を含む): 150885504

約数和(自身を除く): 81384764

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 131, 164, 205, 262, 410, 524, 647, 655, 820, 1294, 1310, 2588, 2620, 3235, 5371, 6470, 10742, 12940, 21484, 26527, 26855, 53054, 53710, 84757, 106108, 107420, 132635, 169514, 265270, 339028, 423785, 530540, 847570, 1695140, 3475037, 6950074, 13900148, 17375185, 34750370, 69500740]

約数ペア:

[(1, 69500740), (2, 34750370), (4, 17375185), (5, 13900148), (10, 6950074), (20, 3475037), (41, 1695140), (82, 847570), (131, 530540), (164, 423785), (205, 339028), (262, 265270), (410, 169514), (524, 132635), (647, 107420), (655, 106108), (820, 84757), (1294, 53710), (1310, 53054), (2588, 26855), (2620, 26527), (3235, 21484), (5371, 12940), (6470, 10742)]