313628140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2240201}}^1$

素因数の和:2240217

約数の個数: 24

約数和(自身を含む): 752707872

約数和(自身を除く): 439079732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2240201, 4480402, 8960804, 11201005, 15681407, 22402010, 31362814, 44804020, 62725628, 78407035, 156814070, 313628140]

約数ペア:

[(1, 313628140), (2, 156814070), (4, 78407035), (5, 62725628), (7, 44804020), (10, 31362814), (14, 22402010), (20, 15681407), (28, 11201005), (35, 8960804), (70, 4480402), (140, 2240201)]