208019600

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:409

約数の個数: 120

約数和(自身を含む): 533239680

約数和(自身を除く): 325220080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 101, 152, 190, 200, 202, 271, 304, 380, 400, 404, 475, 505, 542, 760, 808, 950, 1010, 1084, 1355, 1520, 1616, 1900, 1919, 2020, 2168, 2525, 2710, 3800, 3838, 4040, 4336, 5050, 5149, 5420, 6775, 7600, 7676, 8080, 9595, 10100, 10298, 10840, 13550, 15352, 19190, 20200, 20596, 21680, 25745, 27100, 27371, 30704, 38380, 40400, 41192, 47975, 51490, 54200, 54742, 76760, 82384, 95950, 102980, 108400, 109484, 128725, 136855, 153520, 191900, 205960, 218968, 257450, 273710, 383800, 411920, 437936, 514900, 520049, 547420, 684275, 767600, 1029800, 1040098, 1094840, 1368550, 2059600, 2080196, 2189680, 2600245, 2737100, 4160392, 5200490, 5474200, 8320784, 10400980, 10948400, 13001225, 20801960, 26002450, 41603920, 52004900, 104009800, 208019600]

約数ペア:

[(1, 208019600), (2, 104009800), (4, 52004900), (5, 41603920), (8, 26002450), (10, 20801960), (16, 13001225), (19, 10948400), (20, 10400980), (25, 8320784), (38, 5474200), (40, 5200490), (50, 4160392), (76, 2737100), (80, 2600245), (95, 2189680), (100, 2080196), (101, 2059600), (152, 1368550), (190, 1094840), (200, 1040098), (202, 1029800), (271, 767600), (304, 684275), (380, 547420), (400, 520049), (404, 514900), (475, 437936), (505, 411920), (542, 383800), (760, 273710), (808, 257450), (950, 218968), (1010, 205960), (1084, 191900), (1355, 153520), (1520, 136855), (1616, 128725), (1900, 109484), (1919, 108400), (2020, 102980), (2168, 95950), (2525, 82384), (2710, 76760), (3800, 54742), (3838, 54200), (4040, 51490), (4336, 47975), (5050, 41192), (5149, 40400), (5420, 38380), (6775, 30704), (7600, 27371), (7676, 27100), (8080, 25745), (9595, 21680), (10100, 20596), (10298, 20200), (10840, 19190), (13550, 15352)]