209132820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^3$

素因数の和:124

約数の個数: 192

約数和(自身を含む): 724039680

約数和(自身を除く): 514906860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 31, 36, 39, 45, 52, 54, 60, 62, 65, 78, 90, 93, 108, 117, 124, 130, 135, 155, 156, 180, 186, 195, 234, 260, 270, 279, 310, 351, 372, 390, 403, 465, 468, 540, 558, 585, 620, 702, 780, 806, 837, 930, 961, 1116, 1170, 1209, 1395, 1404, 1612, 1674, 1755, 1860, 1922, 2015, 2340, 2418, 2790, 2883, 3348, 3510, 3627, 3844, 4030, 4185, 4805, 4836, 5580, 5766, 6045, 7020, 7254, 8060, 8370, 8649, 9610, 10881, 11532, 12090, 12493, 14415, 14508, 16740, 17298, 18135, 19220, 21762, 24180, 24986, 25947, 28830, 29791, 34596, 36270, 37479, 43245, 43524, 49972, 51894, 54405, 57660, 59582, 62465, 72540, 74958, 86490, 89373, 103788, 108810, 112437, 119164, 124930, 129735, 148955, 149916, 172980, 178746, 187395, 217620, 224874, 249860, 259470, 268119, 297910, 337311, 357492, 374790, 387283, 446865, 449748, 518940, 536238, 562185, 595820, 674622, 749580, 774566, 804357, 893730, 1072476, 1124370, 1161849, 1340595, 1349244, 1549132, 1608714, 1686555, 1787460, 1936415, 2248740, 2323698, 2681190, 3217428, 3373110, 3485547, 3872830, 4021785, 4647396, 5362380, 5809245, 6746220, 6971094, 7745660, 8043570, 10456641, 11618490, 13942188, 16087140, 17427735, 20913282, 23236980, 34855470, 41826564, 52283205, 69710940, 104566410, 209132820]

約数ペア:

[(1, 209132820), (2, 104566410), (3, 69710940), (4, 52283205), (5, 41826564), (6, 34855470), (9, 23236980), (10, 20913282), (12, 17427735), (13, 16087140), (15, 13942188), (18, 11618490), (20, 10456641), (26, 8043570), (27, 7745660), (30, 6971094), (31, 6746220), (36, 5809245), (39, 5362380), (45, 4647396), (52, 4021785), (54, 3872830), (60, 3485547), (62, 3373110), (65, 3217428), (78, 2681190), (90, 2323698), (93, 2248740), (108, 1936415), (117, 1787460), (124, 1686555), (130, 1608714), (135, 1549132), (155, 1349244), (156, 1340595), (180, 1161849), (186, 1124370), (195, 1072476), (234, 893730), (260, 804357), (270, 774566), (279, 749580), (310, 674622), (351, 595820), (372, 562185), (390, 536238), (403, 518940), (465, 449748), (468, 446865), (540, 387283), (558, 374790), (585, 357492), (620, 337311), (702, 297910), (780, 268119), (806, 259470), (837, 249860), (930, 224874), (961, 217620), (1116, 187395), (1170, 178746), (1209, 172980), (1395, 149916), (1404, 148955), (1612, 129735), (1674, 124930), (1755, 119164), (1860, 112437), (1922, 108810), (2015, 103788), (2340, 89373), (2418, 86490), (2790, 74958), (2883, 72540), (3348, 62465), (3510, 59582), (3627, 57660), (3844, 54405), (4030, 51894), (4185, 49972), (4805, 43524), (4836, 43245), (5580, 37479), (5766, 36270), (6045, 34596), (7020, 29791), (7254, 28830), (8060, 25947), (8370, 24986), (8649, 24180), (9610, 21762), (10881, 19220), (11532, 18135), (12090, 17298), (12493, 16740), (14415, 14508)]