1990332916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4259}}^1$

素因数の和:4349

約数の個数: 96

約数和(自身を含む): 4408588800

約数和(自身を除く): 2418255884

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 43, 44, 52, 76, 86, 143, 172, 209, 247, 286, 418, 473, 494, 559, 572, 817, 836, 946, 988, 1118, 1634, 1892, 2236, 2717, 3268, 4259, 5434, 6149, 8518, 8987, 10621, 10868, 12298, 17036, 17974, 21242, 24596, 35948, 42484, 46849, 55367, 80921, 93698, 110734, 116831, 161842, 183137, 187396, 221468, 233662, 323684, 366274, 467324, 609037, 732548, 890131, 1051973, 1218074, 1780262, 2014507, 2103946, 2380781, 2436148, 3479603, 3560524, 4029014, 4207892, 4761562, 6959206, 8058028, 9523124, 11571703, 13918412, 23143406, 26188591, 38275633, 45234839, 46286812, 52377182, 76551266, 90469678, 104754364, 153102532, 180939356, 497583229, 995166458, 1990332916]

約数ペア:

[(1, 1990332916), (2, 995166458), (4, 497583229), (11, 180939356), (13, 153102532), (19, 104754364), (22, 90469678), (26, 76551266), (38, 52377182), (43, 46286812), (44, 45234839), (52, 38275633), (76, 26188591), (86, 23143406), (143, 13918412), (172, 11571703), (209, 9523124), (247, 8058028), (286, 6959206), (418, 4761562), (473, 4207892), (494, 4029014), (559, 3560524), (572, 3479603), (817, 2436148), (836, 2380781), (946, 2103946), (988, 2014507), (1118, 1780262), (1634, 1218074), (1892, 1051973), (2236, 890131), (2717, 732548), (3268, 609037), (4259, 467324), (5434, 366274), (6149, 323684), (8518, 233662), (8987, 221468), (10621, 187396), (10868, 183137), (12298, 161842), (17036, 116831), (17974, 110734), (21242, 93698), (24596, 80921), (35948, 55367), (42484, 46849)]