403970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:242

約数の個数: 32

約数和(自身を含む): 864000

約数和(自身を除く): 460030

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 199, 203, 290, 398, 406, 995, 1015, 1393, 1990, 2030, 2786, 5771, 6965, 11542, 13930, 28855, 40397, 57710, 80794, 201985, 403970]

約数ペア:

[(1, 403970), (2, 201985), (5, 80794), (7, 57710), (10, 40397), (14, 28855), (29, 13930), (35, 11542), (58, 6965), (70, 5771), (145, 2786), (199, 2030), (203, 1990), (290, 1393), (398, 1015), (406, 995)]