280647402

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:193

約数の個数: 128

約数和(自身を含む): 696729600

約数和(自身を除く): 416082198

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 49, 53, 62, 83, 93, 98, 106, 147, 159, 166, 186, 217, 249, 294, 318, 343, 371, 434, 498, 581, 651, 686, 742, 1029, 1113, 1162, 1302, 1519, 1643, 1743, 2058, 2226, 2573, 2597, 3038, 3286, 3486, 4067, 4399, 4557, 4929, 5146, 5194, 7719, 7791, 8134, 8798, 9114, 9858, 10633, 11501, 12201, 13197, 15438, 15582, 18011, 18179, 21266, 23002, 24402, 26394, 28469, 30793, 31899, 34503, 36022, 36358, 54033, 54537, 56938, 61586, 63798, 69006, 80507, 85407, 92379, 108066, 109074, 126077, 136369, 161014, 170814, 184758, 215551, 241521, 252154, 272738, 378231, 409107, 431102, 483042, 563549, 646653, 756462, 818214, 882539, 954583, 1127098, 1293306, 1508857, 1690647, 1765078, 1909166, 2647617, 2863749, 3017714, 3381294, 4526571, 5295234, 5727498, 6682081, 9053142, 13364162, 20046243, 40092486, 46774567, 93549134, 140323701, 280647402]

約数ペア:

[(1, 280647402), (2, 140323701), (3, 93549134), (6, 46774567), (7, 40092486), (14, 20046243), (21, 13364162), (31, 9053142), (42, 6682081), (49, 5727498), (53, 5295234), (62, 4526571), (83, 3381294), (93, 3017714), (98, 2863749), (106, 2647617), (147, 1909166), (159, 1765078), (166, 1690647), (186, 1508857), (217, 1293306), (249, 1127098), (294, 954583), (318, 882539), (343, 818214), (371, 756462), (434, 646653), (498, 563549), (581, 483042), (651, 431102), (686, 409107), (742, 378231), (1029, 272738), (1113, 252154), (1162, 241521), (1302, 215551), (1519, 184758), (1643, 170814), (1743, 161014), (2058, 136369), (2226, 126077), (2573, 109074), (2597, 108066), (3038, 92379), (3286, 85407), (3486, 80507), (4067, 69006), (4399, 63798), (4557, 61586), (4929, 56938), (5146, 54537), (5194, 54033), (7719, 36358), (7791, 36022), (8134, 34503), (8798, 31899), (9114, 30793), (9858, 28469), (10633, 26394), (11501, 24402), (12201, 23002), (13197, 21266), (15438, 18179), (15582, 18011)]