311022020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{15443}}^1$

素因数の和:15524

約数の個数: 48

約数和(自身を含む): 700539840

約数和(自身を除く): 389517820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 265, 380, 530, 1007, 1060, 2014, 4028, 5035, 10070, 15443, 20140, 30886, 61772, 77215, 154430, 293417, 308860, 586834, 818479, 1173668, 1467085, 1636958, 2934170, 3273916, 4092395, 5868340, 8184790, 15551101, 16369580, 31102202, 62204404, 77755505, 155511010, 311022020]

約数ペア:

[(1, 311022020), (2, 155511010), (4, 77755505), (5, 62204404), (10, 31102202), (19, 16369580), (20, 15551101), (38, 8184790), (53, 5868340), (76, 4092395), (95, 3273916), (106, 2934170), (190, 1636958), (212, 1467085), (265, 1173668), (380, 818479), (530, 586834), (1007, 308860), (1060, 293417), (2014, 154430), (4028, 77215), (5035, 61772), (10070, 30886), (15443, 20140)]