720143788

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2063}}^1$

素因数の和:2231

約数の個数: 72

約数和(自身を含む): 1591071552

約数和(自身を除く): 870927764

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 137, 182, 196, 274, 364, 548, 637, 959, 1274, 1781, 1918, 2063, 2548, 3562, 3836, 4126, 6713, 7124, 8252, 12467, 13426, 14441, 24934, 26819, 26852, 28882, 49868, 53638, 57764, 87269, 101087, 107276, 174538, 187733, 202174, 282631, 349076, 375466, 404348, 565262, 750932, 1130524, 1314131, 1978417, 2628262, 3674203, 3956834, 5256524, 7348406, 7913668, 13848919, 14696812, 25719421, 27697838, 51438842, 55395676, 102877684, 180035947, 360071894, 720143788]

約数ペア:

[(1, 720143788), (2, 360071894), (4, 180035947), (7, 102877684), (13, 55395676), (14, 51438842), (26, 27697838), (28, 25719421), (49, 14696812), (52, 13848919), (91, 7913668), (98, 7348406), (137, 5256524), (182, 3956834), (196, 3674203), (274, 2628262), (364, 1978417), (548, 1314131), (637, 1130524), (959, 750932), (1274, 565262), (1781, 404348), (1918, 375466), (2063, 349076), (2548, 282631), (3562, 202174), (3836, 187733), (4126, 174538), (6713, 107276), (7124, 101087), (8252, 87269), (12467, 57764), (13426, 53638), (14441, 49868), (24934, 28882), (26819, 26852)]