2019990256

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{353}}^1$

素因数の和:614

約数の個数: 80

約数和(自身を含む): 4129735680

約数和(自身を除く): 2109745424

約数列:

[1, 2, 4, 8, 16, 31, 62, 83, 124, 139, 166, 248, 278, 332, 353, 496, 556, 664, 706, 1112, 1328, 1412, 2224, 2573, 2824, 4309, 5146, 5648, 8618, 10292, 10943, 11537, 17236, 20584, 21886, 23074, 29299, 34472, 41168, 43772, 46148, 49067, 58598, 68944, 87544, 92296, 98134, 117196, 175088, 184592, 196268, 234392, 357647, 392536, 468784, 715294, 785072, 908269, 1430588, 1521077, 1816538, 2861176, 3042154, 3633076, 4072561, 5722352, 6084308, 7266152, 8145122, 12168616, 14532304, 16290244, 24337232, 32580488, 65160976, 126249391, 252498782, 504997564, 1009995128, 2019990256]

約数ペア:

[(1, 2019990256), (2, 1009995128), (4, 504997564), (8, 252498782), (16, 126249391), (31, 65160976), (62, 32580488), (83, 24337232), (124, 16290244), (139, 14532304), (166, 12168616), (248, 8145122), (278, 7266152), (332, 6084308), (353, 5722352), (496, 4072561), (556, 3633076), (664, 3042154), (706, 2861176), (1112, 1816538), (1328, 1521077), (1412, 1430588), (2224, 908269), (2573, 785072), (2824, 715294), (4309, 468784), (5146, 392536), (5648, 357647), (8618, 234392), (10292, 196268), (10943, 184592), (11537, 175088), (17236, 117196), (20584, 98134), (21886, 92296), (23074, 87544), (29299, 68944), (34472, 58598), (41168, 49067), (43772, 46148)]