315733480

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{117811}}^1$

素因数の和:117889

約数の個数: 32

約数和(自身を含む): 721009440

約数和(自身を除く): 405275960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 117811, 235622, 471244, 589055, 942488, 1178110, 2356220, 4712440, 7893337, 15786674, 31573348, 39466685, 63146696, 78933370, 157866740, 315733480]

約数ペア:

[(1, 315733480), (2, 157866740), (4, 78933370), (5, 63146696), (8, 39466685), (10, 31573348), (20, 15786674), (40, 7893337), (67, 4712440), (134, 2356220), (268, 1178110), (335, 942488), (536, 589055), (670, 471244), (1340, 235622), (2680, 117811)]