399701904

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{7577}}^1$

素因数の和:7752

約数の個数: 80

約数和(自身を含む): 1187745408

約数和(自身を除く): 788043504

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 157, 168, 314, 336, 471, 628, 942, 1099, 1256, 1884, 2198, 2512, 3297, 3768, 4396, 6594, 7536, 7577, 8792, 13188, 15154, 17584, 22731, 26376, 30308, 45462, 52752, 53039, 60616, 90924, 106078, 121232, 159117, 181848, 212156, 318234, 363696, 424312, 636468, 848624, 1189589, 1272936, 2379178, 2545872, 3568767, 4758356, 7137534, 8327123, 9516712, 14275068, 16654246, 19033424, 24981369, 28550136, 33308492, 49962738, 57100272, 66616984, 99925476, 133233968, 199850952, 399701904]

約数ペア:

[(1, 399701904), (2, 199850952), (3, 133233968), (4, 99925476), (6, 66616984), (7, 57100272), (8, 49962738), (12, 33308492), (14, 28550136), (16, 24981369), (21, 19033424), (24, 16654246), (28, 14275068), (42, 9516712), (48, 8327123), (56, 7137534), (84, 4758356), (112, 3568767), (157, 2545872), (168, 2379178), (314, 1272936), (336, 1189589), (471, 848624), (628, 636468), (942, 424312), (1099, 363696), (1256, 318234), (1884, 212156), (2198, 181848), (2512, 159117), (3297, 121232), (3768, 106078), (4396, 90924), (6594, 60616), (7536, 53039), (7577, 52752), (8792, 45462), (13188, 30308), (15154, 26376), (17584, 22731)]