28182440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{379}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 75103200

約数和(自身を除く): 46920760

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 169, 220, 260, 286, 338, 379, 440, 520, 572, 676, 715, 758, 845, 1144, 1352, 1430, 1516, 1690, 1859, 1895, 2860, 3032, 3380, 3718, 3790, 4169, 4927, 5720, 6760, 7436, 7580, 8338, 9295, 9854, 14872, 15160, 16676, 18590, 19708, 20845, 24635, 33352, 37180, 39416, 41690, 49270, 54197, 64051, 74360, 83380, 98540, 108394, 128102, 166760, 197080, 216788, 256204, 270985, 320255, 433576, 512408, 541970, 640510, 704561, 1083940, 1281020, 1409122, 2167880, 2562040, 2818244, 3522805, 5636488, 7045610, 14091220, 28182440]

約数ペア:

[(1, 28182440), (2, 14091220), (4, 7045610), (5, 5636488), (8, 3522805), (10, 2818244), (11, 2562040), (13, 2167880), (20, 1409122), (22, 1281020), (26, 1083940), (40, 704561), (44, 640510), (52, 541970), (55, 512408), (65, 433576), (88, 320255), (104, 270985), (110, 256204), (130, 216788), (143, 197080), (169, 166760), (220, 128102), (260, 108394), (286, 98540), (338, 83380), (379, 74360), (440, 64051), (520, 54197), (572, 49270), (676, 41690), (715, 39416), (758, 37180), (845, 33352), (1144, 24635), (1352, 20845), (1430, 19708), (1516, 18590), (1690, 16676), (1859, 15160), (1895, 14872), (2860, 9854), (3032, 9295), (3380, 8338), (3718, 7580), (3790, 7436), (4169, 6760), (4927, 5720)]