2779192780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{227}}^1$

素因数の和:325

約数の個数: 216

約数和(自身を含む): 7588156464

約数和(自身を除く): 4808963684

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 49, 52, 62, 65, 70, 91, 98, 124, 130, 140, 155, 182, 196, 217, 227, 245, 260, 310, 364, 403, 434, 454, 455, 490, 620, 637, 806, 868, 908, 910, 961, 980, 1085, 1135, 1274, 1519, 1589, 1612, 1820, 1922, 2015, 2170, 2270, 2548, 2821, 2951, 3038, 3178, 3185, 3844, 4030, 4340, 4540, 4805, 5642, 5902, 6076, 6356, 6370, 6727, 7037, 7595, 7945, 8060, 9610, 11123, 11284, 11804, 12493, 12740, 13454, 14074, 14105, 14755, 15190, 15890, 19220, 19747, 20657, 22246, 24986, 26908, 28148, 28210, 29510, 30380, 31780, 33635, 35185, 39494, 41314, 44492, 47089, 49259, 49972, 55615, 56420, 59020, 62465, 67270, 70370, 78988, 82628, 87451, 91481, 94178, 98518, 98735, 103285, 111230, 124930, 134540, 140740, 144599, 174902, 182962, 188356, 197036, 197470, 206570, 218147, 222460, 235445, 246295, 249860, 289198, 344813, 349804, 365924, 394940, 413140, 436294, 437255, 457405, 470890, 492590, 578396, 612157, 640367, 689626, 722995, 872588, 874510, 914810, 941780, 985180, 1090735, 1224314, 1280734, 1379252, 1445990, 1527029, 1724065, 1749020, 1829620, 2181470, 2448628, 2561468, 2835911, 2891980, 3054058, 3060785, 3201835, 3448130, 4362940, 4482569, 5671822, 6108116, 6121570, 6403670, 6896260, 7635145, 8965138, 10689203, 11343644, 12243140, 12807340, 14179555, 15270290, 17930276, 19851377, 21378406, 22412845, 28359110, 30540580, 39702754, 42756812, 44825690, 53446015, 56718220, 79405508, 89651380, 99256885, 106892030, 138959639, 198513770, 213784060, 277919278, 397027540, 555838556, 694798195, 1389596390, 2779192780]

約数ペア:

[(1, 2779192780), (2, 1389596390), (4, 694798195), (5, 555838556), (7, 397027540), (10, 277919278), (13, 213784060), (14, 198513770), (20, 138959639), (26, 106892030), (28, 99256885), (31, 89651380), (35, 79405508), (49, 56718220), (52, 53446015), (62, 44825690), (65, 42756812), (70, 39702754), (91, 30540580), (98, 28359110), (124, 22412845), (130, 21378406), (140, 19851377), (155, 17930276), (182, 15270290), (196, 14179555), (217, 12807340), (227, 12243140), (245, 11343644), (260, 10689203), (310, 8965138), (364, 7635145), (403, 6896260), (434, 6403670), (454, 6121570), (455, 6108116), (490, 5671822), (620, 4482569), (637, 4362940), (806, 3448130), (868, 3201835), (908, 3060785), (910, 3054058), (961, 2891980), (980, 2835911), (1085, 2561468), (1135, 2448628), (1274, 2181470), (1519, 1829620), (1589, 1749020), (1612, 1724065), (1820, 1527029), (1922, 1445990), (2015, 1379252), (2170, 1280734), (2270, 1224314), (2548, 1090735), (2821, 985180), (2951, 941780), (3038, 914810), (3178, 874510), (3185, 872588), (3844, 722995), (4030, 689626), (4340, 640367), (4540, 612157), (4805, 578396), (5642, 492590), (5902, 470890), (6076, 457405), (6356, 437255), (6370, 436294), (6727, 413140), (7037, 394940), (7595, 365924), (7945, 349804), (8060, 344813), (9610, 289198), (11123, 249860), (11284, 246295), (11804, 235445), (12493, 222460), (12740, 218147), (13454, 206570), (14074, 197470), (14105, 197036), (14755, 188356), (15190, 182962), (15890, 174902), (19220, 144599), (19747, 140740), (20657, 134540), (22246, 124930), (24986, 111230), (26908, 103285), (28148, 98735), (28210, 98518), (29510, 94178), (30380, 91481), (31780, 87451), (33635, 82628), (35185, 78988), (39494, 70370), (41314, 67270), (44492, 62465), (47089, 59020), (49259, 56420), (49972, 55615)]