200840816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1$

素因数の和:462

約数の個数: 80

約数和(自身を含む): 443114496

約数和(自身を除く): 242273680

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 131, 176, 248, 262, 281, 341, 496, 524, 562, 682, 1048, 1124, 1364, 1441, 2096, 2248, 2728, 2882, 3091, 4061, 4496, 5456, 5764, 6182, 8122, 8711, 11528, 12364, 16244, 17422, 23056, 24728, 32488, 34844, 36811, 44671, 49456, 64976, 69688, 73622, 89342, 95821, 139376, 147244, 178684, 191642, 294488, 357368, 383284, 404921, 588976, 714736, 766568, 809842, 1141141, 1533136, 1619684, 2282282, 3239368, 4564564, 6478736, 9129128, 12552551, 18258256, 25105102, 50210204, 100420408, 200840816]

約数ペア:

[(1, 200840816), (2, 100420408), (4, 50210204), (8, 25105102), (11, 18258256), (16, 12552551), (22, 9129128), (31, 6478736), (44, 4564564), (62, 3239368), (88, 2282282), (124, 1619684), (131, 1533136), (176, 1141141), (248, 809842), (262, 766568), (281, 714736), (341, 588976), (496, 404921), (524, 383284), (562, 357368), (682, 294488), (1048, 191642), (1124, 178684), (1364, 147244), (1441, 139376), (2096, 95821), (2248, 89342), (2728, 73622), (2882, 69688), (3091, 64976), (4061, 49456), (4496, 44671), (5456, 36811), (5764, 34844), (6182, 32488), (8122, 24728), (8711, 23056), (11528, 17422), (12364, 16244)]