2019439600

素因数分解:

$2^4\times 5^2\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{659}}^1$

素因数の和:887

約数の個数: 120

約数和(自身を含む): 4992894720

約数和(自身を除く): 2973455120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 47, 50, 80, 94, 100, 163, 188, 200, 235, 326, 376, 400, 470, 652, 659, 752, 815, 940, 1175, 1304, 1318, 1630, 1880, 2350, 2608, 2636, 3260, 3295, 3760, 4075, 4700, 5272, 6520, 6590, 7661, 8150, 9400, 10544, 13040, 13180, 15322, 16300, 16475, 18800, 26360, 30644, 30973, 32600, 32950, 38305, 52720, 61288, 61946, 65200, 65900, 76610, 107417, 122576, 123892, 131800, 153220, 154865, 191525, 214834, 247784, 263600, 306440, 309730, 383050, 429668, 495568, 537085, 612880, 619460, 766100, 774325, 859336, 1074170, 1238920, 1532200, 1548650, 1718672, 2148340, 2477840, 2685425, 3064400, 3097300, 4296680, 5048599, 5370850, 6194600, 8593360, 10097198, 10741700, 12389200, 20194396, 21483400, 25242995, 40388792, 42966800, 50485990, 80777584, 100971980, 126214975, 201943960, 252429950, 403887920, 504859900, 1009719800, 2019439600]

約数ペア:

[(1, 2019439600), (2, 1009719800), (4, 504859900), (5, 403887920), (8, 252429950), (10, 201943960), (16, 126214975), (20, 100971980), (25, 80777584), (40, 50485990), (47, 42966800), (50, 40388792), (80, 25242995), (94, 21483400), (100, 20194396), (163, 12389200), (188, 10741700), (200, 10097198), (235, 8593360), (326, 6194600), (376, 5370850), (400, 5048599), (470, 4296680), (652, 3097300), (659, 3064400), (752, 2685425), (815, 2477840), (940, 2148340), (1175, 1718672), (1304, 1548650), (1318, 1532200), (1630, 1238920), (1880, 1074170), (2350, 859336), (2608, 774325), (2636, 766100), (3260, 619460), (3295, 612880), (3760, 537085), (4075, 495568), (4700, 429668), (5272, 383050), (6520, 309730), (6590, 306440), (7661, 263600), (8150, 247784), (9400, 214834), (10544, 191525), (13040, 154865), (13180, 153220), (15322, 131800), (16300, 123892), (16475, 122576), (18800, 107417), (26360, 76610), (30644, 65900), (30973, 65200), (32600, 61946), (32950, 61288), (38305, 52720)]