291401560

素因数分解:

$2^3\times 5^1\times {\mathrm{1481}}^1\times {\mathrm{4919}}^1$

素因数の和:6411

約数の個数: 32

約数和(自身を含む): 656229600

約数和(自身を除く): 364828040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1481, 2962, 4919, 5924, 7405, 9838, 11848, 14810, 19676, 24595, 29620, 39352, 49190, 59240, 98380, 196760, 7285039, 14570078, 29140156, 36425195, 58280312, 72850390, 145700780, 291401560]

約数ペア:

[(1, 291401560), (2, 145700780), (4, 72850390), (5, 58280312), (8, 36425195), (10, 29140156), (20, 14570078), (40, 7285039), (1481, 196760), (2962, 98380), (4919, 59240), (5924, 49190), (7405, 39352), (9838, 29620), (11848, 24595), (14810, 19676)]