251247161620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1213}}^1\times {\mathrm{1559}}^1$

素因数の和:2874

約数の個数: 192

約数和(自身を含む): 659238128640

約数和(自身を除く): 407990967020

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 73, 91, 130, 140, 146, 182, 260, 292, 364, 365, 455, 511, 730, 910, 949, 1022, 1213, 1460, 1559, 1820, 1898, 2044, 2426, 2555, 3118, 3796, 4745, 4852, 5110, 6065, 6236, 6643, 7795, 8491, 9490, 10220, 10913, 12130, 13286, 15590, 15769, 16982, 18980, 20267, 21826, 24260, 26572, 31180, 31538, 33215, 33964, 40534, 42455, 43652, 54565, 63076, 66430, 78845, 81068, 84910, 88549, 101335, 109130, 110383, 113807, 132860, 141869, 157690, 169820, 177098, 202670, 218260, 220766, 227614, 283738, 315380, 354196, 405340, 441532, 442745, 455228, 551915, 567476, 569035, 619843, 709345, 796649, 885490, 1103830, 1138070, 1151137, 1239686, 1418690, 1479491, 1593298, 1770980, 1891067, 2207660, 2276140, 2302274, 2479372, 2837380, 2958982, 3099215, 3186596, 3782134, 3983245, 4604548, 5755685, 5917964, 6198430, 7397455, 7564268, 7966490, 8057959, 9455335, 10356437, 11511370, 12396860, 13237469, 14794910, 15932980, 16115918, 18910670, 20712874, 23022740, 24583871, 26474938, 29589820, 32231836, 37821340, 40289795, 41425748, 49167742, 51782185, 52949876, 66187345, 80579590, 98335484, 103564370, 122919355, 132374690, 138047891, 161159180, 172087097, 207128740, 245838710, 264749380, 276095782, 344174194, 491677420, 552191564, 688348388, 690239455, 860435485, 966335237, 1380478910, 1720870970, 1794622583, 1932670474, 2760957820, 3441741940, 3589245166, 3865340948, 4831676185, 7178490332, 8973112915, 9663352370, 12562358081, 17946225830, 19326704740, 25124716162, 35892451660, 50249432324, 62811790405, 125623580810, 251247161620]

約数ペア:

[(1, 251247161620), (2, 125623580810), (4, 62811790405), (5, 50249432324), (7, 35892451660), (10, 25124716162), (13, 19326704740), (14, 17946225830), (20, 12562358081), (26, 9663352370), (28, 8973112915), (35, 7178490332), (52, 4831676185), (65, 3865340948), (70, 3589245166), (73, 3441741940), (91, 2760957820), (130, 1932670474), (140, 1794622583), (146, 1720870970), (182, 1380478910), (260, 966335237), (292, 860435485), (364, 690239455), (365, 688348388), (455, 552191564), (511, 491677420), (730, 344174194), (910, 276095782), (949, 264749380), (1022, 245838710), (1213, 207128740), (1460, 172087097), (1559, 161159180), (1820, 138047891), (1898, 132374690), (2044, 122919355), (2426, 103564370), (2555, 98335484), (3118, 80579590), (3796, 66187345), (4745, 52949876), (4852, 51782185), (5110, 49167742), (6065, 41425748), (6236, 40289795), (6643, 37821340), (7795, 32231836), (8491, 29589820), (9490, 26474938), (10220, 24583871), (10913, 23022740), (12130, 20712874), (13286, 18910670), (15590, 16115918), (15769, 15932980), (16982, 14794910), (18980, 13237469), (20267, 12396860), (21826, 11511370), (24260, 10356437), (26572, 9455335), (31180, 8057959), (31538, 7966490), (33215, 7564268), (33964, 7397455), (40534, 6198430), (42455, 5917964), (43652, 5755685), (54565, 4604548), (63076, 3983245), (66430, 3782134), (78845, 3186596), (81068, 3099215), (84910, 2958982), (88549, 2837380), (101335, 2479372), (109130, 2302274), (110383, 2276140), (113807, 2207660), (132860, 1891067), (141869, 1770980), (157690, 1593298), (169820, 1479491), (177098, 1418690), (202670, 1239686), (218260, 1151137), (220766, 1138070), (227614, 1103830), (283738, 885490), (315380, 796649), (354196, 709345), (405340, 619843), (441532, 569035), (442745, 567476), (455228, 551915)]