311076940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{2803}}^1$

素因数の和:3022

約数の個数: 48

約数和(自身を含む): 678343680

約数和(自身を除く): 367266740

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 179, 310, 358, 620, 716, 895, 1790, 2803, 3580, 5549, 5606, 11098, 11212, 14015, 22196, 27745, 28030, 55490, 56060, 86893, 110980, 173786, 347572, 434465, 501737, 868930, 1003474, 1737860, 2006948, 2508685, 5017370, 10034740, 15553847, 31107694, 62215388, 77769235, 155538470, 311076940]

約数ペア:

[(1, 311076940), (2, 155538470), (4, 77769235), (5, 62215388), (10, 31107694), (20, 15553847), (31, 10034740), (62, 5017370), (124, 2508685), (155, 2006948), (179, 1737860), (310, 1003474), (358, 868930), (620, 501737), (716, 434465), (895, 347572), (1790, 173786), (2803, 110980), (3580, 86893), (5549, 56060), (5606, 55490), (11098, 28030), (11212, 27745), (14015, 22196)]