211778840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{797}}^1$

素因数の和:901

約数の個数: 128

約数和(自身を含む): 595244160

約数和(自身を除く): 383465320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 73, 91, 104, 130, 140, 146, 182, 260, 280, 292, 364, 365, 455, 511, 520, 584, 728, 730, 797, 910, 949, 1022, 1460, 1594, 1820, 1898, 2044, 2555, 2920, 3188, 3640, 3796, 3985, 4088, 4745, 5110, 5579, 6376, 6643, 7592, 7970, 9490, 10220, 10361, 11158, 13286, 15940, 18980, 20440, 20722, 22316, 26572, 27895, 31880, 33215, 37960, 41444, 44632, 51805, 53144, 55790, 58181, 66430, 72527, 82888, 103610, 111580, 116362, 132860, 145054, 207220, 223160, 232724, 265720, 290108, 290905, 362635, 407267, 414440, 465448, 580216, 581810, 725270, 756353, 814534, 1163620, 1450540, 1512706, 1629068, 2036335, 2327240, 2901080, 3025412, 3258136, 3781765, 4072670, 5294471, 6050824, 7563530, 8145340, 10588942, 15127060, 16290680, 21177884, 26472355, 30254120, 42355768, 52944710, 105889420, 211778840]

約数ペア:

[(1, 211778840), (2, 105889420), (4, 52944710), (5, 42355768), (7, 30254120), (8, 26472355), (10, 21177884), (13, 16290680), (14, 15127060), (20, 10588942), (26, 8145340), (28, 7563530), (35, 6050824), (40, 5294471), (52, 4072670), (56, 3781765), (65, 3258136), (70, 3025412), (73, 2901080), (91, 2327240), (104, 2036335), (130, 1629068), (140, 1512706), (146, 1450540), (182, 1163620), (260, 814534), (280, 756353), (292, 725270), (364, 581810), (365, 580216), (455, 465448), (511, 414440), (520, 407267), (584, 362635), (728, 290905), (730, 290108), (797, 265720), (910, 232724), (949, 223160), (1022, 207220), (1460, 145054), (1594, 132860), (1820, 116362), (1898, 111580), (2044, 103610), (2555, 82888), (2920, 72527), (3188, 66430), (3640, 58181), (3796, 55790), (3985, 53144), (4088, 51805), (4745, 44632), (5110, 41444), (5579, 37960), (6376, 33215), (6643, 31880), (7592, 27895), (7970, 26572), (9490, 22316), (10220, 20722), (10361, 20440), (11158, 18980), (13286, 15940)]