61751380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{727}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 135023616

約数和(自身を除く): 73272236

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 137, 155, 274, 310, 548, 620, 685, 727, 1370, 1454, 2740, 2908, 3635, 4247, 7270, 8494, 14540, 16988, 21235, 22537, 42470, 45074, 84940, 90148, 99599, 112685, 199198, 225370, 398396, 450740, 497995, 995990, 1991980, 3087569, 6175138, 12350276, 15437845, 30875690, 61751380]

約数ペア:

[(1, 61751380), (2, 30875690), (4, 15437845), (5, 12350276), (10, 6175138), (20, 3087569), (31, 1991980), (62, 995990), (124, 497995), (137, 450740), (155, 398396), (274, 225370), (310, 199198), (548, 112685), (620, 99599), (685, 90148), (727, 84940), (1370, 45074), (1454, 42470), (2740, 22537), (2908, 21235), (3635, 16988), (4247, 14540), (7270, 8494)]