28694380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 72253440

約数和(自身を除く): 43559060

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 79, 110, 127, 130, 143, 158, 220, 254, 260, 286, 316, 395, 508, 572, 635, 715, 790, 869, 1027, 1270, 1397, 1430, 1580, 1651, 1738, 2054, 2540, 2794, 2860, 3302, 3476, 4108, 4345, 5135, 5588, 6604, 6985, 8255, 8690, 10033, 10270, 11297, 13970, 16510, 17380, 18161, 20066, 20540, 22594, 27940, 33020, 36322, 40132, 45188, 50165, 56485, 72644, 90805, 100330, 110363, 112970, 130429, 181610, 200660, 220726, 225940, 260858, 363220, 441452, 521716, 551815, 652145, 1103630, 1304290, 1434719, 2207260, 2608580, 2869438, 5738876, 7173595, 14347190, 28694380]

約数ペア:

[(1, 28694380), (2, 14347190), (4, 7173595), (5, 5738876), (10, 2869438), (11, 2608580), (13, 2207260), (20, 1434719), (22, 1304290), (26, 1103630), (44, 652145), (52, 551815), (55, 521716), (65, 441452), (79, 363220), (110, 260858), (127, 225940), (130, 220726), (143, 200660), (158, 181610), (220, 130429), (254, 112970), (260, 110363), (286, 100330), (316, 90805), (395, 72644), (508, 56485), (572, 50165), (635, 45188), (715, 40132), (790, 36322), (869, 33020), (1027, 27940), (1270, 22594), (1397, 20540), (1430, 20066), (1580, 18161), (1651, 17380), (1738, 16510), (2054, 13970), (2540, 11297), (2794, 10270), (2860, 10033), (3302, 8690), (3476, 8255), (4108, 6985), (4345, 6604), (5135, 5588)]