1999385856

素因数分解:

$2^8\times 3^4\times {\mathrm{13}}^1\times {\mathrm{7417}}^1$

素因数の和:7458

約数の個数: 180

約数和(自身を含む): 6421273012

約数和(自身を除く): 4421887156

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 81, 96, 104, 108, 117, 128, 144, 156, 162, 192, 208, 216, 234, 256, 288, 312, 324, 351, 384, 416, 432, 468, 576, 624, 648, 702, 768, 832, 864, 936, 1053, 1152, 1248, 1296, 1404, 1664, 1728, 1872, 2106, 2304, 2496, 2592, 2808, 3328, 3456, 3744, 4212, 4992, 5184, 5616, 6912, 7417, 7488, 8424, 9984, 10368, 11232, 14834, 14976, 16848, 20736, 22251, 22464, 29668, 29952, 33696, 44502, 44928, 59336, 66753, 67392, 89004, 89856, 96421, 118672, 133506, 134784, 178008, 192842, 200259, 237344, 267012, 269568, 289263, 356016, 385684, 400518, 474688, 534024, 578526, 600777, 712032, 771368, 801036, 867789, 949376, 1068048, 1157052, 1201554, 1424064, 1542736, 1602072, 1735578, 1898752, 2136096, 2314104, 2403108, 2603367, 2848128, 3085472, 3204144, 3471156, 4272192, 4628208, 4806216, 5206734, 5696256, 6170944, 6408288, 6942312, 7810101, 8544384, 9256416, 9612432, 10413468, 12341888, 12816576, 13884624, 15620202, 17088768, 18512832, 19224864, 20826936, 24683776, 25633152, 27769248, 31240404, 37025664, 38449728, 41653872, 51266304, 55538496, 62480808, 74051328, 76899456, 83307744, 111076992, 124961616, 153798912, 166615488, 222153984, 249923232, 333230976, 499846464, 666461952, 999692928, 1999385856]

約数ペア:

[(1, 1999385856), (2, 999692928), (3, 666461952), (4, 499846464), (6, 333230976), (8, 249923232), (9, 222153984), (12, 166615488), (13, 153798912), (16, 124961616), (18, 111076992), (24, 83307744), (26, 76899456), (27, 74051328), (32, 62480808), (36, 55538496), (39, 51266304), (48, 41653872), (52, 38449728), (54, 37025664), (64, 31240404), (72, 27769248), (78, 25633152), (81, 24683776), (96, 20826936), (104, 19224864), (108, 18512832), (117, 17088768), (128, 15620202), (144, 13884624), (156, 12816576), (162, 12341888), (192, 10413468), (208, 9612432), (216, 9256416), (234, 8544384), (256, 7810101), (288, 6942312), (312, 6408288), (324, 6170944), (351, 5696256), (384, 5206734), (416, 4806216), (432, 4628208), (468, 4272192), (576, 3471156), (624, 3204144), (648, 3085472), (702, 2848128), (768, 2603367), (832, 2403108), (864, 2314104), (936, 2136096), (1053, 1898752), (1152, 1735578), (1248, 1602072), (1296, 1542736), (1404, 1424064), (1664, 1201554), (1728, 1157052), (1872, 1068048), (2106, 949376), (2304, 867789), (2496, 801036), (2592, 771368), (2808, 712032), (3328, 600777), (3456, 578526), (3744, 534024), (4212, 474688), (4992, 400518), (5184, 385684), (5616, 356016), (6912, 289263), (7417, 269568), (7488, 267012), (8424, 237344), (9984, 200259), (10368, 192842), (11232, 178008), (14834, 134784), (14976, 133506), (16848, 118672), (20736, 96421), (22251, 89856), (22464, 89004), (29668, 67392), (29952, 66753), (33696, 59336), (44502, 44928)]