201790409720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1019}}^1\times {\mathrm{3889}}^1$

素因数の和:5005

約数の個数: 128

約数和(自身を含む): 485658720000

約数和(自身を除く): 283868310280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 67, 76, 95, 134, 152, 190, 268, 335, 380, 536, 670, 760, 1019, 1273, 1340, 2038, 2546, 2680, 3889, 4076, 5092, 5095, 6365, 7778, 8152, 10184, 10190, 12730, 15556, 19361, 19445, 20380, 25460, 31112, 38722, 38890, 40760, 50920, 68273, 73891, 77444, 77780, 96805, 136546, 147782, 154888, 155560, 193610, 260563, 273092, 295564, 341365, 369455, 387220, 521126, 546184, 591128, 682730, 738910, 774440, 1042252, 1297187, 1302815, 1365460, 1477820, 2084504, 2594374, 2605630, 2730920, 2955640, 3962891, 4950697, 5188748, 5211260, 6485935, 7925782, 9901394, 10377496, 10422520, 12971870, 15851564, 19802788, 19814455, 24753485, 25943740, 31703128, 39605576, 39628910, 49506970, 51887480, 75294929, 79257820, 99013940, 150589858, 158515640, 198027880, 265513697, 301179716, 376474645, 531027394, 602359432, 752949290, 1062054788, 1327568485, 1505898580, 2124109576, 2655136970, 3011797160, 5044760243, 5310273940, 10089520486, 10620547880, 20179040972, 25223801215, 40358081944, 50447602430, 100895204860, 201790409720]

約数ペア:

[(1, 201790409720), (2, 100895204860), (4, 50447602430), (5, 40358081944), (8, 25223801215), (10, 20179040972), (19, 10620547880), (20, 10089520486), (38, 5310273940), (40, 5044760243), (67, 3011797160), (76, 2655136970), (95, 2124109576), (134, 1505898580), (152, 1327568485), (190, 1062054788), (268, 752949290), (335, 602359432), (380, 531027394), (536, 376474645), (670, 301179716), (760, 265513697), (1019, 198027880), (1273, 158515640), (1340, 150589858), (2038, 99013940), (2546, 79257820), (2680, 75294929), (3889, 51887480), (4076, 49506970), (5092, 39628910), (5095, 39605576), (6365, 31703128), (7778, 25943740), (8152, 24753485), (10184, 19814455), (10190, 19802788), (12730, 15851564), (15556, 12971870), (19361, 10422520), (19445, 10377496), (20380, 9901394), (25460, 7925782), (31112, 6485935), (38722, 5211260), (38890, 5188748), (40760, 4950697), (50920, 3962891), (68273, 2955640), (73891, 2730920), (77444, 2605630), (77780, 2594374), (96805, 2084504), (136546, 1477820), (147782, 1365460), (154888, 1302815), (155560, 1297187), (193610, 1042252), (260563, 774440), (273092, 738910), (295564, 682730), (341365, 591128), (369455, 546184), (387220, 521126)]