68158580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6857}}^1$

素因数の和:6944

約数の個数: 48

約数和(自身を含む): 165908736

約数和(自身を除く): 97750156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 6857, 9940, 13714, 27428, 34285, 47999, 68570, 95998, 137140, 191996, 239995, 479990, 486847, 959980, 973694, 1947388, 2434235, 3407929, 4868470, 6815858, 9736940, 13631716, 17039645, 34079290, 68158580]

約数ペア:

[(1, 68158580), (2, 34079290), (4, 17039645), (5, 13631716), (7, 9736940), (10, 6815858), (14, 4868470), (20, 3407929), (28, 2434235), (35, 1947388), (70, 973694), (71, 959980), (140, 486847), (142, 479990), (284, 239995), (355, 191996), (497, 137140), (710, 95998), (994, 68570), (1420, 47999), (1988, 34285), (2485, 27428), (4970, 13714), (6857, 9940)]