88991660

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{499}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 193116000

約数和(自身を除く): 104124340

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 241, 370, 482, 499, 740, 964, 998, 1205, 1996, 2410, 2495, 4820, 4990, 8917, 9980, 17834, 18463, 35668, 36926, 44585, 73852, 89170, 92315, 120259, 178340, 184630, 240518, 369260, 481036, 601295, 1202590, 2405180, 4449583, 8899166, 17798332, 22247915, 44495830, 88991660]

約数ペア:

[(1, 88991660), (2, 44495830), (4, 22247915), (5, 17798332), (10, 8899166), (20, 4449583), (37, 2405180), (74, 1202590), (148, 601295), (185, 481036), (241, 369260), (370, 240518), (482, 184630), (499, 178340), (740, 120259), (964, 92315), (998, 89170), (1205, 73852), (1996, 44585), (2410, 36926), (2495, 35668), (4820, 18463), (4990, 17834), (8917, 9980)]