398817792

素因数分解:

$2^9\times 3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 240

約数和(自身を含む): 1240956288

約数和(自身を除く): 842138496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 53, 64, 69, 71, 72, 92, 96, 106, 128, 138, 142, 144, 159, 184, 192, 207, 212, 213, 256, 276, 284, 288, 318, 368, 384, 414, 424, 426, 477, 512, 552, 568, 576, 636, 639, 736, 768, 828, 848, 852, 954, 1104, 1136, 1152, 1219, 1272, 1278, 1472, 1536, 1633, 1656, 1696, 1704, 1908, 2208, 2272, 2304, 2438, 2544, 2556, 2944, 3266, 3312, 3392, 3408, 3657, 3763, 3816, 4416, 4544, 4608, 4876, 4899, 5088, 5112, 5888, 6532, 6624, 6784, 6816, 7314, 7526, 7632, 8832, 9088, 9752, 9798, 10176, 10224, 10971, 11289, 11776, 13064, 13248, 13568, 13632, 14628, 14697, 15052, 15264, 17664, 18176, 19504, 19596, 20352, 20448, 21942, 22578, 26128, 26496, 27136, 27264, 29256, 29394, 30104, 30528, 33867, 35328, 36352, 39008, 39192, 40704, 40896, 43884, 45156, 52256, 52992, 54528, 58512, 58788, 60208, 61056, 67734, 78016, 78384, 81408, 81792, 86549, 87768, 90312, 104512, 105984, 109056, 117024, 117576, 120416, 122112, 135468, 156032, 156768, 163584, 173098, 175536, 180624, 209024, 234048, 235152, 240832, 244224, 259647, 270936, 312064, 313536, 327168, 346196, 351072, 361248, 418048, 468096, 470304, 481664, 519294, 541872, 624128, 627072, 692392, 702144, 722496, 778941, 836096, 936192, 940608, 963328, 1038588, 1083744, 1254144, 1384784, 1404288, 1444992, 1557882, 1872384, 1881216, 1926656, 2077176, 2167488, 2508288, 2769568, 2808576, 2889984, 3115764, 3762432, 4154352, 4334976, 5539136, 5617152, 5779968, 6231528, 7524864, 8308704, 8669952, 11078272, 12463056, 16617408, 17339904, 22156544, 24926112, 33234816, 44313088, 49852224, 66469632, 99704448, 132939264, 199408896, 398817792]

約数ペア:

[(1, 398817792), (2, 199408896), (3, 132939264), (4, 99704448), (6, 66469632), (8, 49852224), (9, 44313088), (12, 33234816), (16, 24926112), (18, 22156544), (23, 17339904), (24, 16617408), (32, 12463056), (36, 11078272), (46, 8669952), (48, 8308704), (53, 7524864), (64, 6231528), (69, 5779968), (71, 5617152), (72, 5539136), (92, 4334976), (96, 4154352), (106, 3762432), (128, 3115764), (138, 2889984), (142, 2808576), (144, 2769568), (159, 2508288), (184, 2167488), (192, 2077176), (207, 1926656), (212, 1881216), (213, 1872384), (256, 1557882), (276, 1444992), (284, 1404288), (288, 1384784), (318, 1254144), (368, 1083744), (384, 1038588), (414, 963328), (424, 940608), (426, 936192), (477, 836096), (512, 778941), (552, 722496), (568, 702144), (576, 692392), (636, 627072), (639, 624128), (736, 541872), (768, 519294), (828, 481664), (848, 470304), (852, 468096), (954, 418048), (1104, 361248), (1136, 351072), (1152, 346196), (1219, 327168), (1272, 313536), (1278, 312064), (1472, 270936), (1536, 259647), (1633, 244224), (1656, 240832), (1696, 235152), (1704, 234048), (1908, 209024), (2208, 180624), (2272, 175536), (2304, 173098), (2438, 163584), (2544, 156768), (2556, 156032), (2944, 135468), (3266, 122112), (3312, 120416), (3392, 117576), (3408, 117024), (3657, 109056), (3763, 105984), (3816, 104512), (4416, 90312), (4544, 87768), (4608, 86549), (4876, 81792), (4899, 81408), (5088, 78384), (5112, 78016), (5888, 67734), (6532, 61056), (6624, 60208), (6784, 58788), (6816, 58512), (7314, 54528), (7526, 52992), (7632, 52256), (8832, 45156), (9088, 43884), (9752, 40896), (9798, 40704), (10176, 39192), (10224, 39008), (10971, 36352), (11289, 35328), (11776, 33867), (13064, 30528), (13248, 30104), (13568, 29394), (13632, 29256), (14628, 27264), (14697, 27136), (15052, 26496), (15264, 26128), (17664, 22578), (18176, 21942), (19504, 20448), (19596, 20352)]