1948393360

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:321

約数の個数: 160

約数和(自身を含む): 4820262912

約数和(自身を除く): 2871869552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 71, 73, 74, 80, 127, 142, 146, 148, 185, 254, 284, 292, 296, 355, 365, 370, 508, 568, 584, 592, 635, 710, 730, 740, 1016, 1136, 1168, 1270, 1420, 1460, 1480, 2032, 2540, 2627, 2701, 2840, 2920, 2960, 4699, 5080, 5183, 5254, 5402, 5680, 5840, 9017, 9271, 9398, 10160, 10366, 10508, 10804, 13135, 13505, 18034, 18542, 18796, 20732, 21016, 21608, 23495, 25915, 26270, 27010, 36068, 37084, 37592, 41464, 42032, 43216, 45085, 46355, 46990, 51830, 52540, 54020, 72136, 74168, 75184, 82928, 90170, 92710, 93980, 103660, 105080, 108040, 144272, 148336, 180340, 185420, 187960, 191771, 207320, 210160, 216080, 333629, 343027, 360680, 370840, 375920, 383542, 414640, 658241, 667258, 686054, 721360, 741680, 767084, 958855, 1316482, 1334516, 1372108, 1534168, 1668145, 1715135, 1917710, 2632964, 2669032, 2744216, 3068336, 3291205, 3336290, 3430270, 3835420, 5265928, 5338064, 5488432, 6582410, 6672580, 6860540, 7670840, 10531856, 13164820, 13345160, 13721080, 15341680, 24354917, 26329640, 26690320, 27442160, 48709834, 52659280, 97419668, 121774585, 194839336, 243549170, 389678672, 487098340, 974196680, 1948393360]

約数ペア:

[(1, 1948393360), (2, 974196680), (4, 487098340), (5, 389678672), (8, 243549170), (10, 194839336), (16, 121774585), (20, 97419668), (37, 52659280), (40, 48709834), (71, 27442160), (73, 26690320), (74, 26329640), (80, 24354917), (127, 15341680), (142, 13721080), (146, 13345160), (148, 13164820), (185, 10531856), (254, 7670840), (284, 6860540), (292, 6672580), (296, 6582410), (355, 5488432), (365, 5338064), (370, 5265928), (508, 3835420), (568, 3430270), (584, 3336290), (592, 3291205), (635, 3068336), (710, 2744216), (730, 2669032), (740, 2632964), (1016, 1917710), (1136, 1715135), (1168, 1668145), (1270, 1534168), (1420, 1372108), (1460, 1334516), (1480, 1316482), (2032, 958855), (2540, 767084), (2627, 741680), (2701, 721360), (2840, 686054), (2920, 667258), (2960, 658241), (4699, 414640), (5080, 383542), (5183, 375920), (5254, 370840), (5402, 360680), (5680, 343027), (5840, 333629), (9017, 216080), (9271, 210160), (9398, 207320), (10160, 191771), (10366, 187960), (10508, 185420), (10804, 180340), (13135, 148336), (13505, 144272), (18034, 108040), (18542, 105080), (18796, 103660), (20732, 93980), (21016, 92710), (21608, 90170), (23495, 82928), (25915, 75184), (26270, 74168), (27010, 72136), (36068, 54020), (37084, 52540), (37592, 51830), (41464, 46990), (42032, 46355), (43216, 45085)]