84971000

素因数分解:

$2^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{2741}}^1$

素因数の和:2793

約数の個数: 64

約数和(自身を含む): 205320960

約数和(自身を除く): 120349960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 200, 248, 250, 310, 500, 620, 775, 1000, 1240, 1550, 2741, 3100, 3875, 5482, 6200, 7750, 10964, 13705, 15500, 21928, 27410, 31000, 54820, 68525, 84971, 109640, 137050, 169942, 274100, 339884, 342625, 424855, 548200, 679768, 685250, 849710, 1370500, 1699420, 2124275, 2741000, 3398840, 4248550, 8497100, 10621375, 16994200, 21242750, 42485500, 84971000]

約数ペア:

[(1, 84971000), (2, 42485500), (4, 21242750), (5, 16994200), (8, 10621375), (10, 8497100), (20, 4248550), (25, 3398840), (31, 2741000), (40, 2124275), (50, 1699420), (62, 1370500), (100, 849710), (124, 685250), (125, 679768), (155, 548200), (200, 424855), (248, 342625), (250, 339884), (310, 274100), (500, 169942), (620, 137050), (775, 109640), (1000, 84971), (1240, 68525), (1550, 54820), (2741, 31000), (3100, 27410), (3875, 21928), (5482, 15500), (6200, 13705), (7750, 10964)]