4270840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{2179}}^1$

素因数の和:2204

約数の個数: 48

約数和(自身を含む): 11183400

約数和(自身を除く): 6912560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 2179, 4358, 8716, 10895, 15253, 17432, 21790, 30506, 43580, 61012, 76265, 87160, 106771, 122024, 152530, 213542, 305060, 427084, 533855, 610120, 854168, 1067710, 2135420, 4270840]

約数ペア:

[(1, 4270840), (2, 2135420), (4, 1067710), (5, 854168), (7, 610120), (8, 533855), (10, 427084), (14, 305060), (20, 213542), (28, 152530), (35, 122024), (40, 106771), (49, 87160), (56, 76265), (70, 61012), (98, 43580), (140, 30506), (196, 21790), (245, 17432), (280, 15253), (392, 10895), (490, 8716), (980, 4358), (1960, 2179)]