400471040

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:192

約数の個数: 176

約数和(自身を含む): 1050553152

約数和(自身を除く): 650082112

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 43, 64, 68, 80, 85, 86, 107, 128, 136, 160, 170, 172, 214, 215, 256, 272, 320, 340, 344, 428, 430, 512, 535, 544, 640, 680, 688, 731, 856, 860, 1024, 1070, 1088, 1280, 1360, 1376, 1462, 1712, 1720, 1819, 2140, 2176, 2560, 2720, 2752, 2924, 3424, 3440, 3638, 3655, 4280, 4352, 4601, 5120, 5440, 5504, 5848, 6848, 6880, 7276, 7310, 8560, 8704, 9095, 9202, 10880, 11008, 11696, 13696, 13760, 14552, 14620, 17120, 17408, 18190, 18404, 21760, 22016, 23005, 23392, 27392, 27520, 29104, 29240, 34240, 36380, 36808, 43520, 44032, 46010, 46784, 54784, 55040, 58208, 58480, 68480, 72760, 73616, 78217, 87040, 92020, 93568, 109568, 110080, 116416, 116960, 136960, 145520, 147232, 156434, 184040, 187136, 220160, 232832, 233920, 273920, 291040, 294464, 312868, 368080, 374272, 391085, 465664, 467840, 547840, 582080, 588928, 625736, 736160, 748544, 782170, 931328, 935680, 1164160, 1177856, 1251472, 1472320, 1564340, 1862656, 1871360, 2328320, 2355712, 2502944, 2944640, 3128680, 3742720, 4656640, 4711424, 5005888, 5889280, 6257360, 9313280, 10011776, 11778560, 12514720, 20023552, 23557120, 25029440, 40047104, 50058880, 80094208, 100117760, 200235520, 400471040]

約数ペア:

[(1, 400471040), (2, 200235520), (4, 100117760), (5, 80094208), (8, 50058880), (10, 40047104), (16, 25029440), (17, 23557120), (20, 20023552), (32, 12514720), (34, 11778560), (40, 10011776), (43, 9313280), (64, 6257360), (68, 5889280), (80, 5005888), (85, 4711424), (86, 4656640), (107, 3742720), (128, 3128680), (136, 2944640), (160, 2502944), (170, 2355712), (172, 2328320), (214, 1871360), (215, 1862656), (256, 1564340), (272, 1472320), (320, 1251472), (340, 1177856), (344, 1164160), (428, 935680), (430, 931328), (512, 782170), (535, 748544), (544, 736160), (640, 625736), (680, 588928), (688, 582080), (731, 547840), (856, 467840), (860, 465664), (1024, 391085), (1070, 374272), (1088, 368080), (1280, 312868), (1360, 294464), (1376, 291040), (1462, 273920), (1712, 233920), (1720, 232832), (1819, 220160), (2140, 187136), (2176, 184040), (2560, 156434), (2720, 147232), (2752, 145520), (2924, 136960), (3424, 116960), (3440, 116416), (3638, 110080), (3655, 109568), (4280, 93568), (4352, 92020), (4601, 87040), (5120, 78217), (5440, 73616), (5504, 72760), (5848, 68480), (6848, 58480), (6880, 58208), (7276, 55040), (7310, 54784), (8560, 46784), (8704, 46010), (9095, 44032), (9202, 43520), (10880, 36808), (11008, 36380), (11696, 34240), (13696, 29240), (13760, 29104), (14552, 27520), (14620, 27392), (17120, 23392), (17408, 23005), (18190, 22016), (18404, 21760)]