209778768

素因数分解:

$2^4\times 3^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:574

約数の個数: 160

約数和(自身を含む): 644244480

約数和(自身を除く): 434465712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 36, 43, 46, 48, 54, 69, 72, 86, 92, 108, 129, 138, 144, 172, 184, 207, 216, 258, 276, 344, 368, 387, 414, 432, 491, 516, 552, 621, 688, 774, 828, 982, 989, 1032, 1104, 1161, 1242, 1473, 1548, 1656, 1964, 1978, 2064, 2322, 2484, 2946, 2967, 3096, 3312, 3928, 3956, 4419, 4644, 4968, 5892, 5934, 6192, 7856, 7912, 8838, 8901, 9288, 9936, 11293, 11784, 11868, 13257, 15824, 17676, 17802, 18576, 21113, 22586, 23568, 23736, 26514, 26703, 33879, 35352, 35604, 42226, 45172, 47472, 53028, 53406, 63339, 67758, 70704, 71208, 84452, 90344, 101637, 106056, 106812, 126678, 135516, 142416, 168904, 180688, 190017, 203274, 212112, 213624, 253356, 271032, 304911, 337808, 380034, 406548, 427248, 485599, 506712, 542064, 570051, 609822, 760068, 813096, 971198, 1013424, 1140102, 1219644, 1456797, 1520136, 1626192, 1942396, 2280204, 2439288, 2913594, 3040272, 3884792, 4370391, 4560408, 4878576, 5827188, 7769584, 8740782, 9120816, 11654376, 13111173, 17481564, 23308752, 26222346, 34963128, 52444692, 69926256, 104889384, 209778768]

約数ペア:

[(1, 209778768), (2, 104889384), (3, 69926256), (4, 52444692), (6, 34963128), (8, 26222346), (9, 23308752), (12, 17481564), (16, 13111173), (18, 11654376), (23, 9120816), (24, 8740782), (27, 7769584), (36, 5827188), (43, 4878576), (46, 4560408), (48, 4370391), (54, 3884792), (69, 3040272), (72, 2913594), (86, 2439288), (92, 2280204), (108, 1942396), (129, 1626192), (138, 1520136), (144, 1456797), (172, 1219644), (184, 1140102), (207, 1013424), (216, 971198), (258, 813096), (276, 760068), (344, 609822), (368, 570051), (387, 542064), (414, 506712), (432, 485599), (491, 427248), (516, 406548), (552, 380034), (621, 337808), (688, 304911), (774, 271032), (828, 253356), (982, 213624), (989, 212112), (1032, 203274), (1104, 190017), (1161, 180688), (1242, 168904), (1473, 142416), (1548, 135516), (1656, 126678), (1964, 106812), (1978, 106056), (2064, 101637), (2322, 90344), (2484, 84452), (2946, 71208), (2967, 70704), (3096, 67758), (3312, 63339), (3928, 53406), (3956, 53028), (4419, 47472), (4644, 45172), (4968, 42226), (5892, 35604), (5934, 35352), (6192, 33879), (7856, 26703), (7912, 26514), (8838, 23736), (8901, 23568), (9288, 22586), (9936, 21113), (11293, 18576), (11784, 17802), (11868, 17676), (13257, 15824)]