84503440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{21557}}^1$

素因数の和:21584

約数の個数: 60

約数和(自身を含む): 228557916

約数和(自身を除く): 144054476

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 21557, 43114, 86228, 107785, 150899, 172456, 215570, 301798, 344912, 431140, 603596, 754495, 862280, 1056293, 1207192, 1508990, 1724560, 2112586, 2414384, 3017980, 4225172, 5281465, 6035960, 8450344, 10562930, 12071920, 16900688, 21125860, 42251720, 84503440]

約数ペア:

[(1, 84503440), (2, 42251720), (4, 21125860), (5, 16900688), (7, 12071920), (8, 10562930), (10, 8450344), (14, 6035960), (16, 5281465), (20, 4225172), (28, 3017980), (35, 2414384), (40, 2112586), (49, 1724560), (56, 1508990), (70, 1207192), (80, 1056293), (98, 862280), (112, 754495), (140, 603596), (196, 431140), (245, 344912), (280, 301798), (392, 215570), (490, 172456), (560, 150899), (784, 107785), (980, 86228), (1960, 43114), (3920, 21557)]