317141240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{609887}}^1$

素因数の和:609911

約数の個数: 32

約数和(自身を含む): 768458880

約数和(自身を除く): 451317640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 609887, 1219774, 2439548, 3049435, 4879096, 6098870, 7928531, 12197740, 15857062, 24395480, 31714124, 39642655, 63428248, 79285310, 158570620, 317141240]

約数ペア:

[(1, 317141240), (2, 158570620), (4, 79285310), (5, 63428248), (8, 39642655), (10, 31714124), (13, 24395480), (20, 15857062), (26, 12197740), (40, 7928531), (52, 6098870), (65, 4879096), (104, 3049435), (130, 2439548), (260, 1219774), (520, 609887)]