208310908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 440294400

約数和(自身を除く): 231983492

約数列:

[1, 2, 4, 13, 19, 23, 26, 38, 46, 52, 76, 89, 92, 103, 178, 206, 247, 299, 356, 412, 437, 494, 598, 874, 988, 1157, 1196, 1339, 1691, 1748, 1957, 2047, 2314, 2369, 2678, 3382, 3914, 4094, 4628, 4738, 5356, 5681, 6764, 7828, 8188, 9167, 9476, 11362, 18334, 21983, 22724, 25441, 26611, 30797, 36668, 38893, 43966, 45011, 50882, 53222, 61594, 77786, 87932, 90022, 101764, 106444, 119171, 123188, 155572, 174173, 180044, 210841, 238342, 348346, 421682, 476684, 505609, 585143, 696692, 843364, 1011218, 1170286, 2022436, 2264249, 2340572, 2740933, 4005979, 4528498, 5481866, 8011958, 9056996, 10963732, 16023916, 52077727, 104155454, 208310908]

約数ペア:

[(1, 208310908), (2, 104155454), (4, 52077727), (13, 16023916), (19, 10963732), (23, 9056996), (26, 8011958), (38, 5481866), (46, 4528498), (52, 4005979), (76, 2740933), (89, 2340572), (92, 2264249), (103, 2022436), (178, 1170286), (206, 1011218), (247, 843364), (299, 696692), (356, 585143), (412, 505609), (437, 476684), (494, 421682), (598, 348346), (874, 238342), (988, 210841), (1157, 180044), (1196, 174173), (1339, 155572), (1691, 123188), (1748, 119171), (1957, 106444), (2047, 101764), (2314, 90022), (2369, 87932), (2678, 77786), (3382, 61594), (3914, 53222), (4094, 50882), (4628, 45011), (4738, 43966), (5356, 38893), (5681, 36668), (6764, 30797), (7828, 26611), (8188, 25441), (9167, 22724), (9476, 21983), (11362, 18334)]