2904020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20743}}^1$

素因数の和:20759

約数の個数: 24

約数和(自身を含む): 6969984

約数和(自身を除く): 4065964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20743, 41486, 82972, 103715, 145201, 207430, 290402, 414860, 580804, 726005, 1452010, 2904020]

約数ペア:

[(1, 2904020), (2, 1452010), (4, 726005), (5, 580804), (7, 414860), (10, 290402), (14, 207430), (20, 145201), (28, 103715), (35, 82972), (70, 41486), (140, 20743)]