388256960

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:303

約数の個数: 224

約数和(自身を含む): 1160678400

約数和(自身を除く): 772421440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 67, 70, 80, 91, 104, 112, 130, 134, 140, 160, 182, 199, 208, 224, 260, 268, 280, 320, 335, 364, 398, 416, 448, 455, 469, 520, 536, 560, 670, 728, 796, 832, 871, 910, 938, 995, 1040, 1072, 1120, 1340, 1393, 1456, 1592, 1742, 1820, 1876, 1990, 2080, 2144, 2240, 2345, 2587, 2680, 2786, 2912, 3184, 3484, 3640, 3752, 3980, 4160, 4288, 4355, 4690, 5174, 5360, 5572, 5824, 6097, 6368, 6965, 6968, 7280, 7504, 7960, 8710, 9380, 10348, 10720, 11144, 12194, 12736, 12935, 13333, 13930, 13936, 14560, 15008, 15920, 17420, 18109, 18760, 20696, 21440, 22288, 24388, 25870, 26666, 27860, 27872, 29120, 30016, 30485, 31840, 34840, 36218, 37520, 41392, 44576, 48776, 51740, 53332, 55720, 55744, 60970, 63680, 66665, 69680, 72436, 75040, 82784, 89152, 90545, 93331, 97552, 103480, 106664, 111440, 121940, 133330, 139360, 144872, 150080, 165568, 173329, 181090, 186662, 195104, 206960, 213328, 222880, 243880, 266660, 278720, 289744, 346658, 362180, 373324, 390208, 413920, 426656, 445760, 466655, 487760, 533320, 579488, 693316, 724360, 746648, 827840, 853312, 866645, 933310, 975520, 1066640, 1158976, 1213303, 1386632, 1448720, 1493296, 1733290, 1866620, 1951040, 2133280, 2426606, 2773264, 2897440, 2986592, 3466580, 3733240, 4266560, 4853212, 5546528, 5794880, 5973184, 6066515, 6933160, 7466480, 9706424, 11093056, 12133030, 13866320, 14932960, 19412848, 24266060, 27732640, 29865920, 38825696, 48532120, 55465280, 77651392, 97064240, 194128480, 388256960]

約数ペア:

[(1, 388256960), (2, 194128480), (4, 97064240), (5, 77651392), (7, 55465280), (8, 48532120), (10, 38825696), (13, 29865920), (14, 27732640), (16, 24266060), (20, 19412848), (26, 14932960), (28, 13866320), (32, 12133030), (35, 11093056), (40, 9706424), (52, 7466480), (56, 6933160), (64, 6066515), (65, 5973184), (67, 5794880), (70, 5546528), (80, 4853212), (91, 4266560), (104, 3733240), (112, 3466580), (130, 2986592), (134, 2897440), (140, 2773264), (160, 2426606), (182, 2133280), (199, 1951040), (208, 1866620), (224, 1733290), (260, 1493296), (268, 1448720), (280, 1386632), (320, 1213303), (335, 1158976), (364, 1066640), (398, 975520), (416, 933310), (448, 866645), (455, 853312), (469, 827840), (520, 746648), (536, 724360), (560, 693316), (670, 579488), (728, 533320), (796, 487760), (832, 466655), (871, 445760), (910, 426656), (938, 413920), (995, 390208), (1040, 373324), (1072, 362180), (1120, 346658), (1340, 289744), (1393, 278720), (1456, 266660), (1592, 243880), (1742, 222880), (1820, 213328), (1876, 206960), (1990, 195104), (2080, 186662), (2144, 181090), (2240, 173329), (2345, 165568), (2587, 150080), (2680, 144872), (2786, 139360), (2912, 133330), (3184, 121940), (3484, 111440), (3640, 106664), (3752, 103480), (3980, 97552), (4160, 93331), (4288, 90545), (4355, 89152), (4690, 82784), (5174, 75040), (5360, 72436), (5572, 69680), (5824, 66665), (6097, 63680), (6368, 60970), (6965, 55744), (6968, 55720), (7280, 53332), (7504, 51740), (7960, 48776), (8710, 44576), (9380, 41392), (10348, 37520), (10720, 36218), (11144, 34840), (12194, 31840), (12736, 30485), (12935, 30016), (13333, 29120), (13930, 27872), (13936, 27860), (14560, 26666), (15008, 25870), (15920, 24388), (17420, 22288), (18109, 21440), (18760, 20696)]