238447040

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2$

素因数の和:147

約数の個数: 168

約数和(自身を含む): 646224768

約数和(自身を除く): 407777728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 43, 52, 62, 64, 65, 80, 86, 104, 124, 130, 155, 160, 172, 208, 215, 248, 260, 310, 320, 344, 403, 416, 430, 496, 520, 559, 620, 688, 806, 832, 860, 992, 1040, 1118, 1240, 1333, 1376, 1612, 1720, 1849, 1984, 2015, 2080, 2236, 2480, 2666, 2752, 2795, 3224, 3440, 3698, 4030, 4160, 4472, 4960, 5332, 5590, 6448, 6665, 6880, 7396, 8060, 8944, 9245, 9920, 10664, 11180, 12896, 13330, 13760, 14792, 16120, 17329, 17888, 18490, 21328, 22360, 24037, 25792, 26660, 29584, 32240, 34658, 35776, 36980, 42656, 44720, 48074, 53320, 57319, 59168, 64480, 69316, 73960, 85312, 86645, 89440, 96148, 106640, 114638, 118336, 120185, 128960, 138632, 147920, 173290, 178880, 192296, 213280, 229276, 240370, 277264, 286595, 295840, 346580, 384592, 426560, 458552, 480740, 554528, 573190, 591680, 693160, 745147, 769184, 917104, 961480, 1109056, 1146380, 1386320, 1490294, 1538368, 1834208, 1922960, 2292760, 2772640, 2980588, 3668416, 3725735, 3845920, 4585520, 5545280, 5961176, 7451470, 7691840, 9171040, 11922352, 14902940, 18342080, 23844704, 29805880, 47689408, 59611760, 119223520, 238447040]

約数ペア:

[(1, 238447040), (2, 119223520), (4, 59611760), (5, 47689408), (8, 29805880), (10, 23844704), (13, 18342080), (16, 14902940), (20, 11922352), (26, 9171040), (31, 7691840), (32, 7451470), (40, 5961176), (43, 5545280), (52, 4585520), (62, 3845920), (64, 3725735), (65, 3668416), (80, 2980588), (86, 2772640), (104, 2292760), (124, 1922960), (130, 1834208), (155, 1538368), (160, 1490294), (172, 1386320), (208, 1146380), (215, 1109056), (248, 961480), (260, 917104), (310, 769184), (320, 745147), (344, 693160), (403, 591680), (416, 573190), (430, 554528), (496, 480740), (520, 458552), (559, 426560), (620, 384592), (688, 346580), (806, 295840), (832, 286595), (860, 277264), (992, 240370), (1040, 229276), (1118, 213280), (1240, 192296), (1333, 178880), (1376, 173290), (1612, 147920), (1720, 138632), (1849, 128960), (1984, 120185), (2015, 118336), (2080, 114638), (2236, 106640), (2480, 96148), (2666, 89440), (2752, 86645), (2795, 85312), (3224, 73960), (3440, 69316), (3698, 64480), (4030, 59168), (4160, 57319), (4472, 53320), (4960, 48074), (5332, 44720), (5590, 42656), (6448, 36980), (6665, 35776), (6880, 34658), (7396, 32240), (8060, 29584), (8944, 26660), (9245, 25792), (9920, 24037), (10664, 22360), (11180, 21328), (12896, 18490), (13330, 17888), (13760, 17329), (14792, 16120)]