210859720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 524361600

約数和(自身を除く): 313501880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 67, 76, 82, 95, 101, 134, 152, 164, 190, 202, 205, 268, 328, 335, 380, 404, 410, 505, 536, 670, 760, 779, 808, 820, 1010, 1273, 1340, 1558, 1640, 1919, 2020, 2546, 2680, 2747, 3116, 3838, 3895, 4040, 4141, 5092, 5494, 6232, 6365, 6767, 7676, 7790, 8282, 9595, 10184, 10988, 12730, 13534, 13735, 15352, 15580, 16564, 19190, 20705, 21976, 25460, 27068, 27470, 31160, 33128, 33835, 38380, 41410, 50920, 52193, 54136, 54940, 67670, 76760, 78679, 82820, 104386, 109880, 128573, 135340, 157358, 165640, 208772, 257146, 260965, 270680, 277447, 314716, 393395, 417544, 514292, 521930, 554894, 629432, 642865, 786790, 1028584, 1043860, 1109788, 1285730, 1387235, 1573580, 2087720, 2219576, 2571460, 2774470, 3147160, 5142920, 5271493, 5548940, 10542986, 11097880, 21085972, 26357465, 42171944, 52714930, 105429860, 210859720]

約数ペア:

[(1, 210859720), (2, 105429860), (4, 52714930), (5, 42171944), (8, 26357465), (10, 21085972), (19, 11097880), (20, 10542986), (38, 5548940), (40, 5271493), (41, 5142920), (67, 3147160), (76, 2774470), (82, 2571460), (95, 2219576), (101, 2087720), (134, 1573580), (152, 1387235), (164, 1285730), (190, 1109788), (202, 1043860), (205, 1028584), (268, 786790), (328, 642865), (335, 629432), (380, 554894), (404, 521930), (410, 514292), (505, 417544), (536, 393395), (670, 314716), (760, 277447), (779, 270680), (808, 260965), (820, 257146), (1010, 208772), (1273, 165640), (1340, 157358), (1558, 135340), (1640, 128573), (1919, 109880), (2020, 104386), (2546, 82820), (2680, 78679), (2747, 76760), (3116, 67670), (3838, 54940), (3895, 54136), (4040, 52193), (4141, 50920), (5092, 41410), (5494, 38380), (6232, 33835), (6365, 33128), (6767, 31160), (7676, 27470), (7790, 27068), (8282, 25460), (9595, 21976), (10184, 20705), (10988, 19190), (12730, 16564), (13534, 15580), (13735, 15352)]