54321129580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{443}}^1\times {\mathrm{2137}}^1$

素因数の和:2759

約数の個数: 96

約数和(自身を含む): 121203048960

約数和(自身を除く): 66881919380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 151, 190, 302, 380, 443, 604, 755, 886, 1510, 1772, 2137, 2215, 2869, 3020, 4274, 4430, 5738, 8417, 8548, 8860, 10685, 11476, 14345, 16834, 21370, 28690, 33668, 40603, 42085, 42740, 57380, 66893, 81206, 84170, 133786, 162412, 168340, 203015, 267572, 322687, 334465, 406030, 645374, 668930, 812060, 946691, 1270967, 1290748, 1337860, 1613435, 1893382, 2541934, 3226870, 3786764, 4733455, 5083868, 6131053, 6354835, 6453740, 9466910, 12262106, 12709670, 17987129, 18933820, 24524212, 25419340, 30655265, 35974258, 61310530, 71948516, 89935645, 122621060, 142950341, 179871290, 285900682, 359742580, 571801364, 714751705, 1429503410, 2716056479, 2859006820, 5432112958, 10864225916, 13580282395, 27160564790, 54321129580]

約数ペア:

[(1, 54321129580), (2, 27160564790), (4, 13580282395), (5, 10864225916), (10, 5432112958), (19, 2859006820), (20, 2716056479), (38, 1429503410), (76, 714751705), (95, 571801364), (151, 359742580), (190, 285900682), (302, 179871290), (380, 142950341), (443, 122621060), (604, 89935645), (755, 71948516), (886, 61310530), (1510, 35974258), (1772, 30655265), (2137, 25419340), (2215, 24524212), (2869, 18933820), (3020, 17987129), (4274, 12709670), (4430, 12262106), (5738, 9466910), (8417, 6453740), (8548, 6354835), (8860, 6131053), (10685, 5083868), (11476, 4733455), (14345, 3786764), (16834, 3226870), (21370, 2541934), (28690, 1893382), (33668, 1613435), (40603, 1337860), (42085, 1290748), (42740, 1270967), (57380, 946691), (66893, 812060), (81206, 668930), (84170, 645374), (133786, 406030), (162412, 334465), (168340, 322687), (203015, 267572)]