388829440

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{167}}^1$

素因数の和:312

約数の個数: 144

約数和(自身を含む): 1001331072

約数和(自身を除く): 612501632

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 107, 128, 136, 160, 167, 170, 214, 256, 272, 320, 334, 340, 428, 535, 544, 640, 668, 680, 835, 856, 1070, 1088, 1280, 1336, 1360, 1670, 1712, 1819, 2140, 2176, 2672, 2720, 2839, 3340, 3424, 3638, 4280, 4352, 5344, 5440, 5678, 6680, 6848, 7276, 8560, 9095, 10688, 10880, 11356, 13360, 13696, 14195, 14552, 17120, 17869, 18190, 21376, 21760, 22712, 26720, 27392, 28390, 29104, 34240, 35738, 36380, 42752, 45424, 53440, 56780, 58208, 68480, 71476, 72760, 89345, 90848, 106880, 113560, 116416, 136960, 142952, 145520, 178690, 181696, 213760, 227120, 232832, 285904, 291040, 303773, 357380, 363392, 454240, 465664, 571808, 582080, 607546, 714760, 726784, 908480, 1143616, 1164160, 1215092, 1429520, 1518865, 1816960, 2287232, 2328320, 2430184, 2859040, 3037730, 3633920, 4574464, 4860368, 5718080, 6075460, 9720736, 11436160, 12150920, 19441472, 22872320, 24301840, 38882944, 48603680, 77765888, 97207360, 194414720, 388829440]

約数ペア:

[(1, 388829440), (2, 194414720), (4, 97207360), (5, 77765888), (8, 48603680), (10, 38882944), (16, 24301840), (17, 22872320), (20, 19441472), (32, 12150920), (34, 11436160), (40, 9720736), (64, 6075460), (68, 5718080), (80, 4860368), (85, 4574464), (107, 3633920), (128, 3037730), (136, 2859040), (160, 2430184), (167, 2328320), (170, 2287232), (214, 1816960), (256, 1518865), (272, 1429520), (320, 1215092), (334, 1164160), (340, 1143616), (428, 908480), (535, 726784), (544, 714760), (640, 607546), (668, 582080), (680, 571808), (835, 465664), (856, 454240), (1070, 363392), (1088, 357380), (1280, 303773), (1336, 291040), (1360, 285904), (1670, 232832), (1712, 227120), (1819, 213760), (2140, 181696), (2176, 178690), (2672, 145520), (2720, 142952), (2839, 136960), (3340, 116416), (3424, 113560), (3638, 106880), (4280, 90848), (4352, 89345), (5344, 72760), (5440, 71476), (5678, 68480), (6680, 58208), (6848, 56780), (7276, 53440), (8560, 45424), (9095, 42752), (10688, 36380), (10880, 35738), (11356, 34240), (13360, 29104), (13696, 28390), (14195, 27392), (14552, 26720), (17120, 22712), (17869, 21760), (18190, 21376)]