2009867440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:531

約数の個数: 160

約数和(自身を含む): 5459650560

約数和(自身を除く): 3449783120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 181, 251, 280, 316, 362, 395, 502, 553, 560, 632, 724, 790, 905, 1004, 1106, 1255, 1264, 1267, 1448, 1580, 1757, 1810, 2008, 2212, 2510, 2534, 2765, 2896, 3160, 3514, 3620, 4016, 4424, 5020, 5068, 5530, 6320, 6335, 7028, 7240, 8785, 8848, 10040, 10136, 11060, 12670, 14056, 14299, 14480, 17570, 19829, 20080, 20272, 22120, 25340, 28112, 28598, 35140, 39658, 44240, 45431, 50680, 57196, 70280, 71495, 79316, 90862, 99145, 100093, 101360, 114392, 138803, 140560, 142990, 158632, 181724, 198290, 200186, 227155, 228784, 277606, 285980, 317264, 318017, 363448, 396580, 400372, 454310, 500465, 555212, 571960, 636034, 694015, 726896, 793160, 800744, 908620, 1000930, 1110424, 1143920, 1272068, 1388030, 1586320, 1590085, 1601488, 1817240, 2001860, 2220848, 2544136, 2776060, 3180170, 3589049, 3634480, 4003720, 5088272, 5552120, 6360340, 7178098, 8007440, 11104240, 12720680, 14356196, 17945245, 25123343, 25441360, 28712392, 35890490, 50246686, 57424784, 71780980, 100493372, 125616715, 143561960, 200986744, 251233430, 287123920, 401973488, 502466860, 1004933720, 2009867440]

約数ペア:

[(1, 2009867440), (2, 1004933720), (4, 502466860), (5, 401973488), (7, 287123920), (8, 251233430), (10, 200986744), (14, 143561960), (16, 125616715), (20, 100493372), (28, 71780980), (35, 57424784), (40, 50246686), (56, 35890490), (70, 28712392), (79, 25441360), (80, 25123343), (112, 17945245), (140, 14356196), (158, 12720680), (181, 11104240), (251, 8007440), (280, 7178098), (316, 6360340), (362, 5552120), (395, 5088272), (502, 4003720), (553, 3634480), (560, 3589049), (632, 3180170), (724, 2776060), (790, 2544136), (905, 2220848), (1004, 2001860), (1106, 1817240), (1255, 1601488), (1264, 1590085), (1267, 1586320), (1448, 1388030), (1580, 1272068), (1757, 1143920), (1810, 1110424), (2008, 1000930), (2212, 908620), (2510, 800744), (2534, 793160), (2765, 726896), (2896, 694015), (3160, 636034), (3514, 571960), (3620, 555212), (4016, 500465), (4424, 454310), (5020, 400372), (5068, 396580), (5530, 363448), (6320, 318017), (6335, 317264), (7028, 285980), (7240, 277606), (8785, 228784), (8848, 227155), (10040, 200186), (10136, 198290), (11060, 181724), (12670, 158632), (14056, 142990), (14299, 140560), (14480, 138803), (17570, 114392), (19829, 101360), (20080, 100093), (20272, 99145), (22120, 90862), (25340, 79316), (28112, 71495), (28598, 70280), (35140, 57196), (39658, 50680), (44240, 45431)]