291688000

素因数分解:

$2^6\times 5^3\times {\mathrm{19}}^2\times {\mathrm{101}}^1$

素因数の和:166

約数の個数: 168

約数和(自身を含む): 769933944

約数和(自身を除く): 478245944

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 101, 125, 152, 160, 190, 200, 202, 250, 304, 320, 361, 380, 400, 404, 475, 500, 505, 608, 722, 760, 800, 808, 950, 1000, 1010, 1216, 1444, 1520, 1600, 1616, 1805, 1900, 1919, 2000, 2020, 2375, 2525, 2888, 3040, 3232, 3610, 3800, 3838, 4000, 4040, 4750, 5050, 5776, 6080, 6464, 7220, 7600, 7676, 8000, 8080, 9025, 9500, 9595, 10100, 11552, 12625, 14440, 15200, 15352, 16160, 18050, 19000, 19190, 20200, 23104, 25250, 28880, 30400, 30704, 32320, 36100, 36461, 38000, 38380, 40400, 45125, 47975, 50500, 57760, 61408, 72200, 72922, 76000, 76760, 80800, 90250, 95950, 101000, 115520, 122816, 144400, 145844, 152000, 153520, 161600, 180500, 182305, 191900, 202000, 239875, 288800, 291688, 307040, 361000, 364610, 383800, 404000, 479750, 577600, 583376, 614080, 722000, 729220, 767600, 808000, 911525, 959500, 1166752, 1444000, 1458440, 1535200, 1823050, 1919000, 2333504, 2888000, 2916880, 3070400, 3646100, 3838000, 4557625, 5833760, 7292200, 7676000, 9115250, 11667520, 14584400, 15352000, 18230500, 29168800, 36461000, 58337600, 72922000, 145844000, 291688000]

約数ペア:

[(1, 291688000), (2, 145844000), (4, 72922000), (5, 58337600), (8, 36461000), (10, 29168800), (16, 18230500), (19, 15352000), (20, 14584400), (25, 11667520), (32, 9115250), (38, 7676000), (40, 7292200), (50, 5833760), (64, 4557625), (76, 3838000), (80, 3646100), (95, 3070400), (100, 2916880), (101, 2888000), (125, 2333504), (152, 1919000), (160, 1823050), (190, 1535200), (200, 1458440), (202, 1444000), (250, 1166752), (304, 959500), (320, 911525), (361, 808000), (380, 767600), (400, 729220), (404, 722000), (475, 614080), (500, 583376), (505, 577600), (608, 479750), (722, 404000), (760, 383800), (800, 364610), (808, 361000), (950, 307040), (1000, 291688), (1010, 288800), (1216, 239875), (1444, 202000), (1520, 191900), (1600, 182305), (1616, 180500), (1805, 161600), (1900, 153520), (1919, 152000), (2000, 145844), (2020, 144400), (2375, 122816), (2525, 115520), (2888, 101000), (3040, 95950), (3232, 90250), (3610, 80800), (3800, 76760), (3838, 76000), (4000, 72922), (4040, 72200), (4750, 61408), (5050, 57760), (5776, 50500), (6080, 47975), (6464, 45125), (7220, 40400), (7600, 38380), (7676, 38000), (8000, 36461), (8080, 36100), (9025, 32320), (9500, 30704), (9595, 30400), (10100, 28880), (11552, 25250), (12625, 23104), (14440, 20200), (15200, 19190), (15352, 19000), (16160, 18050)]