81095000

素因数分解:

$2^3\times 5^4\times 7^2\times {\mathrm{331}}^1$

素因数の和:371

約数の個数: 120

約数和(自身を含む): 221694660

約数和(自身を除く): 140599660

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 125, 140, 175, 196, 200, 245, 250, 280, 331, 350, 392, 490, 500, 625, 662, 700, 875, 980, 1000, 1225, 1250, 1324, 1400, 1655, 1750, 1960, 2317, 2450, 2500, 2648, 3310, 3500, 4375, 4634, 4900, 5000, 6125, 6620, 7000, 8275, 8750, 9268, 9800, 11585, 12250, 13240, 16219, 16550, 17500, 18536, 23170, 24500, 30625, 32438, 33100, 35000, 41375, 46340, 49000, 57925, 61250, 64876, 66200, 81095, 82750, 92680, 115850, 122500, 129752, 162190, 165500, 206875, 231700, 245000, 289625, 324380, 331000, 405475, 413750, 463400, 579250, 648760, 810950, 827500, 1158500, 1448125, 1621900, 1655000, 2027375, 2317000, 2896250, 3243800, 4054750, 5792500, 8109500, 10136875, 11585000, 16219000, 20273750, 40547500, 81095000]

約数ペア:

[(1, 81095000), (2, 40547500), (4, 20273750), (5, 16219000), (7, 11585000), (8, 10136875), (10, 8109500), (14, 5792500), (20, 4054750), (25, 3243800), (28, 2896250), (35, 2317000), (40, 2027375), (49, 1655000), (50, 1621900), (56, 1448125), (70, 1158500), (98, 827500), (100, 810950), (125, 648760), (140, 579250), (175, 463400), (196, 413750), (200, 405475), (245, 331000), (250, 324380), (280, 289625), (331, 245000), (350, 231700), (392, 206875), (490, 165500), (500, 162190), (625, 129752), (662, 122500), (700, 115850), (875, 92680), (980, 82750), (1000, 81095), (1225, 66200), (1250, 64876), (1324, 61250), (1400, 57925), (1655, 49000), (1750, 46340), (1960, 41375), (2317, 35000), (2450, 33100), (2500, 32438), (2648, 30625), (3310, 24500), (3500, 23170), (4375, 18536), (4634, 17500), (4900, 16550), (5000, 16219), (6125, 13240), (6620, 12250), (7000, 11585), (8275, 9800), (8750, 9268)]