289323320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{50581}}^1$

素因数の和:50616

約数の個数: 64

約数和(自身を含む): 764799840

約数和(自身を除く): 475476520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 50581, 101162, 202324, 252905, 404648, 505810, 556391, 657553, 1011620, 1112782, 1315106, 2023240, 2225564, 2630212, 2781955, 3287765, 4451128, 5260424, 5563910, 6575530, 7233083, 11127820, 13151060, 14466166, 22255640, 26302120, 28932332, 36165415, 57864664, 72330830, 144661660, 289323320]

約数ペア:

[(1, 289323320), (2, 144661660), (4, 72330830), (5, 57864664), (8, 36165415), (10, 28932332), (11, 26302120), (13, 22255640), (20, 14466166), (22, 13151060), (26, 11127820), (40, 7233083), (44, 6575530), (52, 5563910), (55, 5260424), (65, 4451128), (88, 3287765), (104, 2781955), (110, 2630212), (130, 2225564), (143, 2023240), (220, 1315106), (260, 1112782), (286, 1011620), (440, 657553), (520, 556391), (572, 505810), (715, 404648), (1144, 252905), (1430, 202324), (2860, 101162), (5720, 50581)]