400060804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:745

約数の個数: 96

約数和(自身を含む): 877879296

約数和(自身を除く): 477818492

約数列:

[1, 2, 4, 11, 13, 22, 23, 26, 44, 46, 47, 52, 92, 94, 143, 188, 253, 286, 299, 506, 517, 572, 598, 611, 647, 1012, 1034, 1081, 1196, 1222, 1294, 2068, 2162, 2444, 2588, 3289, 4324, 6578, 6721, 7117, 8411, 11891, 13156, 13442, 14053, 14234, 14881, 16822, 23782, 26884, 28106, 28468, 29762, 30409, 33644, 47564, 56212, 59524, 60818, 92521, 121636, 154583, 163691, 185042, 193453, 309166, 327382, 334499, 370084, 386906, 395317, 618332, 654764, 668998, 699407, 773812, 790634, 1337996, 1398814, 1581268, 2127983, 2797628, 4255966, 4348487, 7693477, 8511932, 8696974, 9092291, 15386954, 17393948, 18184582, 30773908, 36369164, 100015201, 200030402, 400060804]

約数ペア:

[(1, 400060804), (2, 200030402), (4, 100015201), (11, 36369164), (13, 30773908), (22, 18184582), (23, 17393948), (26, 15386954), (44, 9092291), (46, 8696974), (47, 8511932), (52, 7693477), (92, 4348487), (94, 4255966), (143, 2797628), (188, 2127983), (253, 1581268), (286, 1398814), (299, 1337996), (506, 790634), (517, 773812), (572, 699407), (598, 668998), (611, 654764), (647, 618332), (1012, 395317), (1034, 386906), (1081, 370084), (1196, 334499), (1222, 327382), (1294, 309166), (2068, 193453), (2162, 185042), (2444, 163691), (2588, 154583), (3289, 121636), (4324, 92521), (6578, 60818), (6721, 59524), (7117, 56212), (8411, 47564), (11891, 33644), (13156, 30409), (13442, 29762), (14053, 28468), (14234, 28106), (14881, 26884), (16822, 23782)]