2179674440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{20743}}^1$

素因数の和:20862

約数の個数: 64

約数和(自身を含む): 5108002560

約数和(自身を除く): 2928328120

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 71, 74, 142, 148, 185, 284, 296, 355, 370, 568, 710, 740, 1420, 1480, 2627, 2840, 5254, 10508, 13135, 20743, 21016, 26270, 41486, 52540, 82972, 103715, 105080, 165944, 207430, 414860, 767491, 829720, 1472753, 1534982, 2945506, 3069964, 3837455, 5891012, 6139928, 7363765, 7674910, 11782024, 14727530, 15349820, 29455060, 30699640, 54491861, 58910120, 108983722, 217967444, 272459305, 435934888, 544918610, 1089837220, 2179674440]

約数ペア:

[(1, 2179674440), (2, 1089837220), (4, 544918610), (5, 435934888), (8, 272459305), (10, 217967444), (20, 108983722), (37, 58910120), (40, 54491861), (71, 30699640), (74, 29455060), (142, 15349820), (148, 14727530), (185, 11782024), (284, 7674910), (296, 7363765), (355, 6139928), (370, 5891012), (568, 3837455), (710, 3069964), (740, 2945506), (1420, 1534982), (1480, 1472753), (2627, 829720), (2840, 767491), (5254, 414860), (10508, 207430), (13135, 165944), (20743, 105080), (21016, 103715), (26270, 82972), (41486, 52540)]