3895060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 8975232

約数和(自身を除く): 5080172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 211, 260, 284, 355, 422, 710, 844, 923, 1055, 1420, 1846, 2110, 2743, 3692, 4220, 4615, 5486, 9230, 10972, 13715, 14981, 18460, 27430, 29962, 54860, 59924, 74905, 149810, 194753, 299620, 389506, 779012, 973765, 1947530, 3895060]

約数ペア:

[(1, 3895060), (2, 1947530), (4, 973765), (5, 779012), (10, 389506), (13, 299620), (20, 194753), (26, 149810), (52, 74905), (65, 59924), (71, 54860), (130, 29962), (142, 27430), (211, 18460), (260, 14981), (284, 13715), (355, 10972), (422, 9230), (710, 5486), (844, 4615), (923, 4220), (1055, 3692), (1420, 2743), (1846, 2110)]