612492020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2053}}^1\times {\mathrm{2131}}^1$

素因数の和:4200

約数の個数: 48

約数和(自身を含む): 1471387008

約数和(自身を除く): 858894988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2053, 2131, 4106, 4262, 8212, 8524, 10265, 10655, 14371, 14917, 20530, 21310, 28742, 29834, 41060, 42620, 57484, 59668, 71855, 74585, 143710, 149170, 287420, 298340, 4374943, 8749886, 17499772, 21874715, 30624601, 43749430, 61249202, 87498860, 122498404, 153123005, 306246010, 612492020]

約数ペア:

[(1, 612492020), (2, 306246010), (4, 153123005), (5, 122498404), (7, 87498860), (10, 61249202), (14, 43749430), (20, 30624601), (28, 21874715), (35, 17499772), (70, 8749886), (140, 4374943), (2053, 298340), (2131, 287420), (4106, 149170), (4262, 143710), (8212, 74585), (8524, 71855), (10265, 59668), (10655, 57484), (14371, 42620), (14917, 41060), (20530, 29834), (21310, 28742)]