2547569780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^3\times {\mathrm{379}}^1$

素因数の和:459

約数の個数: 144

約数和(自身を含む): 6586372800

約数和(自身を除く): 4038803020

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 361, 379, 380, 490, 532, 665, 722, 758, 931, 980, 1330, 1444, 1516, 1805, 1862, 1895, 2527, 2653, 2660, 3610, 3724, 3790, 4655, 5054, 5306, 6859, 7201, 7220, 7580, 9310, 10108, 10612, 12635, 13265, 13718, 14402, 17689, 18571, 18620, 25270, 26530, 27436, 28804, 34295, 35378, 36005, 37142, 48013, 50407, 50540, 53060, 68590, 70756, 72010, 74284, 88445, 92855, 96026, 100814, 136819, 137180, 144020, 176890, 185710, 192052, 201628, 240065, 252035, 273638, 336091, 352849, 353780, 371420, 480130, 504070, 547276, 672182, 684095, 705698, 957733, 960260, 1008140, 1344364, 1368190, 1411396, 1680455, 1764245, 1915466, 2599561, 2736380, 3360910, 3528490, 3830932, 4788665, 5199122, 6704131, 6721820, 7056980, 9577330, 10398244, 12997805, 13408262, 18196927, 19154660, 25995610, 26816524, 33520655, 36393854, 51991220, 67041310, 72787708, 90984635, 127378489, 134082620, 181969270, 254756978, 363938540, 509513956, 636892445, 1273784890, 2547569780]

約数ペア:

[(1, 2547569780), (2, 1273784890), (4, 636892445), (5, 509513956), (7, 363938540), (10, 254756978), (14, 181969270), (19, 134082620), (20, 127378489), (28, 90984635), (35, 72787708), (38, 67041310), (49, 51991220), (70, 36393854), (76, 33520655), (95, 26816524), (98, 25995610), (133, 19154660), (140, 18196927), (190, 13408262), (196, 12997805), (245, 10398244), (266, 9577330), (361, 7056980), (379, 6721820), (380, 6704131), (490, 5199122), (532, 4788665), (665, 3830932), (722, 3528490), (758, 3360910), (931, 2736380), (980, 2599561), (1330, 1915466), (1444, 1764245), (1516, 1680455), (1805, 1411396), (1862, 1368190), (1895, 1344364), (2527, 1008140), (2653, 960260), (2660, 957733), (3610, 705698), (3724, 684095), (3790, 672182), (4655, 547276), (5054, 504070), (5306, 480130), (6859, 371420), (7201, 353780), (7220, 352849), (7580, 336091), (9310, 273638), (10108, 252035), (10612, 240065), (12635, 201628), (13265, 192052), (13718, 185710), (14402, 176890), (17689, 144020), (18571, 137180), (18620, 136819), (25270, 100814), (26530, 96026), (27436, 92855), (28804, 88445), (34295, 74284), (35378, 72010), (36005, 70756), (37142, 68590), (48013, 53060), (50407, 50540)]