870345820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1\times {\mathrm{2357}}^1$

素因数の和:2902

約数の個数: 48

約数和(自身を含む): 1881684000

約数和(自身を除く): 1011338180

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 499, 740, 998, 1996, 2357, 2495, 4714, 4990, 9428, 9980, 11785, 18463, 23570, 36926, 47140, 73852, 87209, 92315, 174418, 184630, 348836, 369260, 436045, 872090, 1176143, 1744180, 2352286, 4704572, 5880715, 11761430, 23522860, 43517291, 87034582, 174069164, 217586455, 435172910, 870345820]

約数ペア:

[(1, 870345820), (2, 435172910), (4, 217586455), (5, 174069164), (10, 87034582), (20, 43517291), (37, 23522860), (74, 11761430), (148, 5880715), (185, 4704572), (370, 2352286), (499, 1744180), (740, 1176143), (998, 872090), (1996, 436045), (2357, 369260), (2495, 348836), (4714, 184630), (4990, 174418), (9428, 92315), (9980, 87209), (11785, 73852), (18463, 47140), (23570, 36926)]