142779280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{254963}}^1$

素因数の和:254983

約数の個数: 40

約数和(自身を含む): 379386432

約数和(自身を除く): 236607152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 254963, 509926, 1019852, 1274815, 1784741, 2039704, 2549630, 3569482, 4079408, 5099260, 7138964, 8923705, 10198520, 14277928, 17847410, 20397040, 28555856, 35694820, 71389640, 142779280]

約数ペア:

[(1, 142779280), (2, 71389640), (4, 35694820), (5, 28555856), (7, 20397040), (8, 17847410), (10, 14277928), (14, 10198520), (16, 8923705), (20, 7138964), (28, 5099260), (35, 4079408), (40, 3569482), (56, 2549630), (70, 2039704), (80, 1784741), (112, 1274815), (140, 1019852), (280, 509926), (560, 254963)]