2146609880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:529

約数の個数: 128

約数和(自身を含む): 5158010880

約数和(自身を除く): 3011401000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 127, 155, 172, 215, 248, 254, 310, 317, 344, 430, 508, 620, 634, 635, 860, 1016, 1240, 1268, 1270, 1333, 1585, 1720, 2536, 2540, 2666, 3170, 3937, 5080, 5332, 5461, 6340, 6665, 7874, 9827, 10664, 10922, 12680, 13330, 13631, 15748, 19654, 19685, 21844, 26660, 27262, 27305, 31496, 39308, 39370, 40259, 43688, 49135, 53320, 54524, 54610, 68155, 78616, 78740, 80518, 98270, 109048, 109220, 136310, 157480, 161036, 169291, 196540, 201295, 218440, 272620, 322072, 338582, 393080, 402590, 422561, 545240, 677164, 805180, 845122, 846455, 1248029, 1354328, 1610360, 1690244, 1692910, 1731137, 2112805, 2496058, 3380488, 3385820, 3462274, 4225610, 4992116, 6240145, 6771640, 6924548, 8451220, 8655685, 9984232, 12480290, 13849096, 16902440, 17311370, 24960580, 34622740, 49921160, 53665247, 69245480, 107330494, 214660988, 268326235, 429321976, 536652470, 1073304940, 2146609880]

約数ペア:

[(1, 2146609880), (2, 1073304940), (4, 536652470), (5, 429321976), (8, 268326235), (10, 214660988), (20, 107330494), (31, 69245480), (40, 53665247), (43, 49921160), (62, 34622740), (86, 24960580), (124, 17311370), (127, 16902440), (155, 13849096), (172, 12480290), (215, 9984232), (248, 8655685), (254, 8451220), (310, 6924548), (317, 6771640), (344, 6240145), (430, 4992116), (508, 4225610), (620, 3462274), (634, 3385820), (635, 3380488), (860, 2496058), (1016, 2112805), (1240, 1731137), (1268, 1692910), (1270, 1690244), (1333, 1610360), (1585, 1354328), (1720, 1248029), (2536, 846455), (2540, 845122), (2666, 805180), (3170, 677164), (3937, 545240), (5080, 422561), (5332, 402590), (5461, 393080), (6340, 338582), (6665, 322072), (7874, 272620), (9827, 218440), (10664, 201295), (10922, 196540), (12680, 169291), (13330, 161036), (13631, 157480), (15748, 136310), (19654, 109220), (19685, 109048), (21844, 98270), (26660, 80518), (27262, 78740), (27305, 78616), (31496, 68155), (39308, 54610), (39370, 54524), (40259, 53320), (43688, 49135)]