291214280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1040051}}^1$

素因数の和:1040069

約数の個数: 32

約数和(自身を含む): 748837440

約数和(自身を除く): 457623160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1040051, 2080102, 4160204, 5200255, 7280357, 8320408, 10400510, 14560714, 20801020, 29121428, 36401785, 41602040, 58242856, 72803570, 145607140, 291214280]

約数ペア:

[(1, 291214280), (2, 145607140), (4, 72803570), (5, 58242856), (7, 41602040), (8, 36401785), (10, 29121428), (14, 20801020), (20, 14560714), (28, 10400510), (35, 8320408), (40, 7280357), (56, 5200255), (70, 4160204), (140, 2080102), (280, 1040051)]