275452840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:291

約数の個数: 128

約数和(自身を含む): 695439360

約数和(自身を除く): 419986520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 97, 104, 127, 130, 172, 194, 215, 254, 260, 344, 388, 430, 485, 508, 520, 559, 635, 776, 860, 970, 1016, 1118, 1261, 1270, 1651, 1720, 1940, 2236, 2522, 2540, 2795, 3302, 3880, 4171, 4472, 5044, 5080, 5461, 5590, 6305, 6604, 8255, 8342, 10088, 10922, 11180, 12319, 12610, 13208, 16510, 16684, 20855, 21844, 22360, 24638, 25220, 27305, 33020, 33368, 41710, 43688, 49276, 50440, 54223, 54610, 61595, 66040, 70993, 83420, 98552, 108446, 109220, 123190, 141986, 160147, 166840, 216892, 218440, 246380, 271115, 283972, 320294, 354965, 433784, 492760, 529717, 542230, 567944, 640588, 709930, 800735, 1059434, 1084460, 1281176, 1419860, 1601470, 2118868, 2168920, 2648585, 2839720, 3202940, 4237736, 5297170, 6405880, 6886321, 10594340, 13772642, 21188680, 27545284, 34431605, 55090568, 68863210, 137726420, 275452840]

約数ペア:

[(1, 275452840), (2, 137726420), (4, 68863210), (5, 55090568), (8, 34431605), (10, 27545284), (13, 21188680), (20, 13772642), (26, 10594340), (40, 6886321), (43, 6405880), (52, 5297170), (65, 4237736), (86, 3202940), (97, 2839720), (104, 2648585), (127, 2168920), (130, 2118868), (172, 1601470), (194, 1419860), (215, 1281176), (254, 1084460), (260, 1059434), (344, 800735), (388, 709930), (430, 640588), (485, 567944), (508, 542230), (520, 529717), (559, 492760), (635, 433784), (776, 354965), (860, 320294), (970, 283972), (1016, 271115), (1118, 246380), (1261, 218440), (1270, 216892), (1651, 166840), (1720, 160147), (1940, 141986), (2236, 123190), (2522, 109220), (2540, 108446), (2795, 98552), (3302, 83420), (3880, 70993), (4171, 66040), (4472, 61595), (5044, 54610), (5080, 54223), (5461, 50440), (5590, 49276), (6305, 43688), (6604, 41710), (8255, 33368), (8342, 33020), (10088, 27305), (10922, 25220), (11180, 24638), (12319, 22360), (12610, 21844), (13208, 20855), (16510, 16684)]