251256551720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{887}}^1\times {\mathrm{5273}}^1$

素因数の和:6267

約数の個数: 128

約数和(自身を含む): 606957235200

約数和(自身を除く): 355700683480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 79, 85, 136, 158, 170, 316, 340, 395, 632, 680, 790, 887, 1343, 1580, 1774, 2686, 3160, 3548, 4435, 5273, 5372, 6715, 7096, 8870, 10546, 10744, 13430, 15079, 17740, 21092, 26365, 26860, 30158, 35480, 42184, 52730, 53720, 60316, 70073, 75395, 89641, 105460, 120632, 140146, 150790, 179282, 210920, 280292, 301580, 350365, 358564, 416567, 448205, 560584, 603160, 700730, 717128, 833134, 896410, 1191241, 1401460, 1666268, 1792820, 2082835, 2382482, 2802920, 3332536, 3585640, 4165670, 4677151, 4764964, 5956205, 7081639, 8331340, 9354302, 9529928, 11912410, 14163278, 16662680, 18708604, 23385755, 23824820, 28326556, 35408195, 37417208, 46771510, 47649640, 56653112, 70816390, 79511567, 93543020, 141632780, 159023134, 187086040, 283265560, 318046268, 369494929, 397557835, 636092536, 738989858, 795115670, 1477979716, 1590231340, 1847474645, 2955959432, 3180462680, 3694949290, 6281413793, 7389898580, 12562827586, 14779797160, 25125655172, 31407068965, 50251310344, 62814137930, 125628275860, 251256551720]

約数ペア:

[(1, 251256551720), (2, 125628275860), (4, 62814137930), (5, 50251310344), (8, 31407068965), (10, 25125655172), (17, 14779797160), (20, 12562827586), (34, 7389898580), (40, 6281413793), (68, 3694949290), (79, 3180462680), (85, 2955959432), (136, 1847474645), (158, 1590231340), (170, 1477979716), (316, 795115670), (340, 738989858), (395, 636092536), (632, 397557835), (680, 369494929), (790, 318046268), (887, 283265560), (1343, 187086040), (1580, 159023134), (1774, 141632780), (2686, 93543020), (3160, 79511567), (3548, 70816390), (4435, 56653112), (5273, 47649640), (5372, 46771510), (6715, 37417208), (7096, 35408195), (8870, 28326556), (10546, 23824820), (10744, 23385755), (13430, 18708604), (15079, 16662680), (17740, 14163278), (21092, 11912410), (26365, 9529928), (26860, 9354302), (30158, 8331340), (35480, 7081639), (42184, 5956205), (52730, 4764964), (53720, 4677151), (60316, 4165670), (70073, 3585640), (75395, 3332536), (89641, 2802920), (105460, 2382482), (120632, 2082835), (140146, 1792820), (150790, 1666268), (179282, 1401460), (210920, 1191241), (280292, 896410), (301580, 833134), (350365, 717128), (358564, 700730), (416567, 603160), (448205, 560584)]