280322336

素因数分解:

$2^5\times 7^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:207

約数の個数: 144

約数和(自身を含む): 680279040

約数和(自身を除く): 399956704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 73, 79, 98, 112, 124, 146, 158, 196, 217, 224, 248, 292, 316, 392, 434, 496, 511, 553, 584, 632, 784, 868, 992, 1022, 1106, 1168, 1264, 1519, 1568, 1736, 2044, 2212, 2263, 2336, 2449, 2528, 3038, 3472, 3577, 3871, 4088, 4424, 4526, 4898, 5767, 6076, 6944, 7154, 7742, 8176, 8848, 9052, 9796, 11534, 12152, 14308, 15484, 15841, 16352, 17143, 17696, 18104, 19592, 23068, 24304, 28616, 30968, 31682, 34286, 36208, 39184, 40369, 46136, 48608, 57232, 61936, 63364, 68572, 72416, 78368, 80738, 92272, 110887, 114464, 120001, 123872, 126728, 137144, 161476, 178777, 184544, 221774, 240002, 253456, 274288, 282583, 322952, 357554, 443548, 480004, 506912, 548576, 565166, 645904, 715108, 887096, 960008, 1130332, 1251439, 1291808, 1430216, 1774192, 1920016, 2260664, 2502878, 2860432, 3548384, 3840032, 4521328, 5005756, 5720864, 8760073, 9042656, 10011512, 17520146, 20023024, 35040292, 40046048, 70080584, 140161168, 280322336]

約数ペア:

[(1, 280322336), (2, 140161168), (4, 70080584), (7, 40046048), (8, 35040292), (14, 20023024), (16, 17520146), (28, 10011512), (31, 9042656), (32, 8760073), (49, 5720864), (56, 5005756), (62, 4521328), (73, 3840032), (79, 3548384), (98, 2860432), (112, 2502878), (124, 2260664), (146, 1920016), (158, 1774192), (196, 1430216), (217, 1291808), (224, 1251439), (248, 1130332), (292, 960008), (316, 887096), (392, 715108), (434, 645904), (496, 565166), (511, 548576), (553, 506912), (584, 480004), (632, 443548), (784, 357554), (868, 322952), (992, 282583), (1022, 274288), (1106, 253456), (1168, 240002), (1264, 221774), (1519, 184544), (1568, 178777), (1736, 161476), (2044, 137144), (2212, 126728), (2263, 123872), (2336, 120001), (2449, 114464), (2528, 110887), (3038, 92272), (3472, 80738), (3577, 78368), (3871, 72416), (4088, 68572), (4424, 63364), (4526, 61936), (4898, 57232), (5767, 48608), (6076, 46136), (6944, 40369), (7154, 39184), (7742, 36208), (8176, 34286), (8848, 31682), (9052, 30968), (9796, 28616), (11534, 24304), (12152, 23068), (14308, 19592), (15484, 18104), (15841, 17696), (16352, 17143)]