172737320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{8689}}^1$

素因数の和:8778

約数の個数: 64

約数和(自身を含む): 450489600

約数和(自身を除く): 277752280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 8689, 9940, 17378, 19880, 34756, 43445, 60823, 69512, 86890, 121646, 173780, 243292, 304115, 347560, 486584, 608230, 616919, 1216460, 1233838, 2432920, 2467676, 3084595, 4318433, 4935352, 6169190, 8636866, 12338380, 17273732, 21592165, 24676760, 34547464, 43184330, 86368660, 172737320]

約数ペア:

[(1, 172737320), (2, 86368660), (4, 43184330), (5, 34547464), (7, 24676760), (8, 21592165), (10, 17273732), (14, 12338380), (20, 8636866), (28, 6169190), (35, 4935352), (40, 4318433), (56, 3084595), (70, 2467676), (71, 2432920), (140, 1233838), (142, 1216460), (280, 616919), (284, 608230), (355, 486584), (497, 347560), (568, 304115), (710, 243292), (994, 173780), (1420, 121646), (1988, 86890), (2485, 69512), (2840, 60823), (3976, 43445), (4970, 34756), (8689, 19880), (9940, 17378)]