389969120

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{461}}^1$

素因数の和:804

約数の個数: 96

約数和(自身を含む): 980755776

約数和(自身を除く): 590786656

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 311, 340, 461, 544, 622, 680, 922, 1244, 1360, 1555, 1844, 2305, 2488, 2720, 3110, 3688, 4610, 4976, 5287, 6220, 7376, 7837, 9220, 9952, 10574, 12440, 14752, 15674, 18440, 21148, 24880, 26435, 31348, 36880, 39185, 42296, 49760, 52870, 62696, 73760, 78370, 84592, 105740, 125392, 143371, 156740, 169184, 211480, 250784, 286742, 313480, 422960, 573484, 626960, 716855, 845920, 1146968, 1253920, 1433710, 2293936, 2437307, 2867420, 4587872, 4874614, 5734840, 9749228, 11469680, 12186535, 19498456, 22939360, 24373070, 38996912, 48746140, 77993824, 97492280, 194984560, 389969120]

約数ペア:

[(1, 389969120), (2, 194984560), (4, 97492280), (5, 77993824), (8, 48746140), (10, 38996912), (16, 24373070), (17, 22939360), (20, 19498456), (32, 12186535), (34, 11469680), (40, 9749228), (68, 5734840), (80, 4874614), (85, 4587872), (136, 2867420), (160, 2437307), (170, 2293936), (272, 1433710), (311, 1253920), (340, 1146968), (461, 845920), (544, 716855), (622, 626960), (680, 573484), (922, 422960), (1244, 313480), (1360, 286742), (1555, 250784), (1844, 211480), (2305, 169184), (2488, 156740), (2720, 143371), (3110, 125392), (3688, 105740), (4610, 84592), (4976, 78370), (5287, 73760), (6220, 62696), (7376, 52870), (7837, 49760), (9220, 42296), (9952, 39185), (10574, 36880), (12440, 31348), (14752, 26435), (15674, 24880), (18440, 21148)]