445115720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1$

素因数の和:387

約数の個数: 128

約数和(自身を含む): 1175731200

約数和(自身を除く): 730615480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 107, 140, 166, 179, 214, 280, 332, 358, 415, 428, 535, 581, 664, 716, 749, 830, 856, 895, 1070, 1162, 1253, 1432, 1498, 1660, 1790, 2140, 2324, 2506, 2905, 2996, 3320, 3580, 3745, 4280, 4648, 5012, 5810, 5992, 6265, 7160, 7490, 8881, 10024, 11620, 12530, 14857, 14980, 17762, 19153, 23240, 25060, 29714, 29960, 35524, 38306, 44405, 50120, 59428, 62167, 71048, 74285, 76612, 88810, 95765, 103999, 118856, 124334, 134071, 148570, 153224, 177620, 191530, 207998, 248668, 268142, 297140, 310835, 355240, 383060, 415996, 497336, 519995, 536284, 594280, 621670, 670355, 766120, 831992, 1039990, 1072568, 1243340, 1340710, 1589699, 2079980, 2486680, 2681420, 3179398, 4159960, 5362840, 6358796, 7948495, 11127893, 12717592, 15896990, 22255786, 31793980, 44511572, 55639465, 63587960, 89023144, 111278930, 222557860, 445115720]

約数ペア:

[(1, 445115720), (2, 222557860), (4, 111278930), (5, 89023144), (7, 63587960), (8, 55639465), (10, 44511572), (14, 31793980), (20, 22255786), (28, 15896990), (35, 12717592), (40, 11127893), (56, 7948495), (70, 6358796), (83, 5362840), (107, 4159960), (140, 3179398), (166, 2681420), (179, 2486680), (214, 2079980), (280, 1589699), (332, 1340710), (358, 1243340), (415, 1072568), (428, 1039990), (535, 831992), (581, 766120), (664, 670355), (716, 621670), (749, 594280), (830, 536284), (856, 519995), (895, 497336), (1070, 415996), (1162, 383060), (1253, 355240), (1432, 310835), (1498, 297140), (1660, 268142), (1790, 248668), (2140, 207998), (2324, 191530), (2506, 177620), (2905, 153224), (2996, 148570), (3320, 134071), (3580, 124334), (3745, 118856), (4280, 103999), (4648, 95765), (5012, 88810), (5810, 76612), (5992, 74285), (6265, 71048), (7160, 62167), (7490, 59428), (8881, 50120), (10024, 44405), (11620, 38306), (12530, 35524), (14857, 29960), (14980, 29714), (17762, 25060), (19153, 23240)]