2104865290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{1489}}^1$

素因数の和:1759

約数の個数: 64

約数和(自身を含む): 4217391360

約数和(自身を除く): 2112526070

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 181, 355, 362, 710, 781, 905, 1489, 1562, 1810, 1991, 2978, 3905, 3982, 7445, 7810, 9955, 12851, 14890, 16379, 19910, 25702, 32758, 64255, 81895, 105719, 128510, 141361, 163790, 211438, 269509, 282722, 528595, 539018, 706805, 1057190, 1162909, 1347545, 1413610, 2325818, 2695090, 2964599, 5814545, 5929198, 11629090, 14822995, 19135139, 29645990, 38270278, 95675695, 191351390, 210486529, 420973058, 1052432645, 2104865290]

約数ペア:

[(1, 2104865290), (2, 1052432645), (5, 420973058), (10, 210486529), (11, 191351390), (22, 95675695), (55, 38270278), (71, 29645990), (110, 19135139), (142, 14822995), (181, 11629090), (355, 5929198), (362, 5814545), (710, 2964599), (781, 2695090), (905, 2325818), (1489, 1413610), (1562, 1347545), (1810, 1162909), (1991, 1057190), (2978, 706805), (3905, 539018), (3982, 528595), (7445, 282722), (7810, 269509), (9955, 211438), (12851, 163790), (14890, 141361), (16379, 128510), (19910, 105719), (25702, 81895), (32758, 64255)]