388575460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:726

約数の個数: 192

約数和(自身を含む): 1121057280

約数和(自身を除く): 732481820

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 19, 20, 26, 28, 34, 35, 38, 52, 65, 68, 70, 76, 85, 91, 95, 119, 130, 133, 140, 170, 182, 190, 221, 238, 247, 260, 266, 323, 340, 364, 380, 442, 455, 476, 494, 532, 595, 646, 661, 665, 884, 910, 988, 1105, 1190, 1235, 1292, 1322, 1330, 1547, 1615, 1729, 1820, 2210, 2261, 2380, 2470, 2644, 2660, 3094, 3230, 3305, 3458, 4199, 4420, 4522, 4627, 4940, 6188, 6460, 6610, 6916, 7735, 8398, 8593, 8645, 9044, 9254, 11237, 11305, 12559, 13220, 15470, 16796, 17186, 17290, 18508, 20995, 22474, 22610, 23135, 25118, 29393, 30940, 34372, 34580, 41990, 42965, 44948, 45220, 46270, 50236, 56185, 58786, 60151, 62795, 78659, 83980, 85930, 87913, 92540, 112370, 117572, 120302, 125590, 146081, 146965, 157318, 163267, 171860, 175826, 213503, 224740, 240604, 251180, 292162, 293930, 300755, 314636, 326534, 351652, 393295, 427006, 439565, 584324, 587860, 601510, 653068, 730405, 786590, 816335, 854012, 879130, 1022567, 1067515, 1142869, 1203020, 1460810, 1494521, 1573180, 1632670, 1758260, 2045134, 2135030, 2285738, 2775539, 2921620, 2989042, 3265340, 4090268, 4270060, 4571476, 5112835, 5551078, 5714345, 5978084, 7472605, 10225670, 11102156, 11428690, 13877695, 14945210, 19428773, 20451340, 22857380, 27755390, 29890420, 38857546, 55510780, 77715092, 97143865, 194287730, 388575460]

約数ペア:

[(1, 388575460), (2, 194287730), (4, 97143865), (5, 77715092), (7, 55510780), (10, 38857546), (13, 29890420), (14, 27755390), (17, 22857380), (19, 20451340), (20, 19428773), (26, 14945210), (28, 13877695), (34, 11428690), (35, 11102156), (38, 10225670), (52, 7472605), (65, 5978084), (68, 5714345), (70, 5551078), (76, 5112835), (85, 4571476), (91, 4270060), (95, 4090268), (119, 3265340), (130, 2989042), (133, 2921620), (140, 2775539), (170, 2285738), (182, 2135030), (190, 2045134), (221, 1758260), (238, 1632670), (247, 1573180), (260, 1494521), (266, 1460810), (323, 1203020), (340, 1142869), (364, 1067515), (380, 1022567), (442, 879130), (455, 854012), (476, 816335), (494, 786590), (532, 730405), (595, 653068), (646, 601510), (661, 587860), (665, 584324), (884, 439565), (910, 427006), (988, 393295), (1105, 351652), (1190, 326534), (1235, 314636), (1292, 300755), (1322, 293930), (1330, 292162), (1547, 251180), (1615, 240604), (1729, 224740), (1820, 213503), (2210, 175826), (2261, 171860), (2380, 163267), (2470, 157318), (2644, 146965), (2660, 146081), (3094, 125590), (3230, 120302), (3305, 117572), (3458, 112370), (4199, 92540), (4420, 87913), (4522, 85930), (4627, 83980), (4940, 78659), (6188, 62795), (6460, 60151), (6610, 58786), (6916, 56185), (7735, 50236), (8398, 46270), (8593, 45220), (8645, 44948), (9044, 42965), (9254, 41990), (11237, 34580), (11305, 34372), (12559, 30940), (13220, 29393), (15470, 25118), (16796, 23135), (17186, 22610), (17290, 22474), (18508, 20995)]