140031640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{500113}}^1$

素因数の和:500131

約数の個数: 32

約数和(自身を含む): 360082080

約数和(自身を除く): 220050440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 500113, 1000226, 2000452, 2500565, 3500791, 4000904, 5001130, 7001582, 10002260, 14003164, 17503955, 20004520, 28006328, 35007910, 70015820, 140031640]

約数ペア:

[(1, 140031640), (2, 70015820), (4, 35007910), (5, 28006328), (7, 20004520), (8, 17503955), (10, 14003164), (14, 10002260), (20, 7001582), (28, 5001130), (35, 4000904), (40, 3500791), (56, 2500565), (70, 2000452), (140, 1000226), (280, 500113)]