1219960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4357}}^1$

素因数の和:4375

約数の個数: 32

約数和(自身を含む): 3137760

約数和(自身を除く): 1917800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4357, 8714, 17428, 21785, 30499, 34856, 43570, 60998, 87140, 121996, 152495, 174280, 243992, 304990, 609980, 1219960]

約数ペア:

[(1, 1219960), (2, 609980), (4, 304990), (5, 243992), (7, 174280), (8, 152495), (10, 121996), (14, 87140), (20, 60998), (28, 43570), (35, 34856), (40, 30499), (56, 21785), (70, 17428), (140, 8714), (280, 4357)]