153915980

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{22051}}^1$

素因数の和:22409

約数の個数: 24

約数和(自身を含む): 324164400

約数和(自身を除く): 170248420

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 22051, 44102, 88204, 110255, 220510, 441020, 7695799, 15391598, 30783196, 38478995, 76957990, 153915980]

約数ペア:

[(1, 153915980), (2, 76957990), (4, 38478995), (5, 30783196), (10, 15391598), (20, 7695799), (349, 441020), (698, 220510), (1396, 110255), (1745, 88204), (3490, 44102), (6980, 22051)]