78031870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2851}}^1$

素因数の和:2905

約数の個数: 64

約数和(自身を含む): 177417216

約数和(自身を除く): 99385346

約数列:

[1, 2, 5, 7, 10, 14, 17, 23, 34, 35, 46, 70, 85, 115, 119, 161, 170, 230, 238, 322, 391, 595, 782, 805, 1190, 1610, 1955, 2737, 2851, 3910, 5474, 5702, 13685, 14255, 19957, 27370, 28510, 39914, 48467, 65573, 96934, 99785, 131146, 199570, 242335, 327865, 339269, 459011, 484670, 655730, 678538, 918022, 1114741, 1696345, 2229482, 2295055, 3392690, 4590110, 5573705, 7803187, 11147410, 15606374, 39015935, 78031870]

約数ペア:

[(1, 78031870), (2, 39015935), (5, 15606374), (7, 11147410), (10, 7803187), (14, 5573705), (17, 4590110), (23, 3392690), (34, 2295055), (35, 2229482), (46, 1696345), (70, 1114741), (85, 918022), (115, 678538), (119, 655730), (161, 484670), (170, 459011), (230, 339269), (238, 327865), (322, 242335), (391, 199570), (595, 131146), (782, 99785), (805, 96934), (1190, 65573), (1610, 48467), (1955, 39914), (2737, 28510), (2851, 27370), (3910, 19957), (5474, 14255), (5702, 13685)]