169654940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{97}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 457765056

約数和(自身を除く): 288110116

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 97, 124, 130, 140, 155, 182, 194, 217, 260, 310, 364, 388, 403, 434, 455, 485, 620, 679, 806, 868, 910, 961, 970, 1085, 1261, 1358, 1612, 1820, 1922, 1940, 2015, 2170, 2522, 2716, 2821, 3007, 3395, 3844, 4030, 4340, 4805, 5044, 5642, 6014, 6305, 6727, 6790, 8060, 8827, 9610, 11284, 12028, 12493, 12610, 13454, 13580, 14105, 15035, 17654, 19220, 21049, 24986, 25220, 26908, 28210, 30070, 33635, 35308, 39091, 42098, 44135, 49972, 56420, 60140, 62465, 67270, 78182, 84196, 87451, 88270, 93217, 105245, 124930, 134540, 156364, 174902, 176540, 186434, 195455, 210490, 249860, 273637, 349804, 372868, 390910, 420980, 437255, 466085, 547274, 652519, 781820, 874510, 932170, 1094548, 1211821, 1305038, 1368185, 1749020, 1864340, 2423642, 2610076, 2736370, 3262595, 4847284, 5472740, 6059105, 6525190, 8482747, 12118210, 13050380, 16965494, 24236420, 33930988, 42413735, 84827470, 169654940]

約数ペア:

[(1, 169654940), (2, 84827470), (4, 42413735), (5, 33930988), (7, 24236420), (10, 16965494), (13, 13050380), (14, 12118210), (20, 8482747), (26, 6525190), (28, 6059105), (31, 5472740), (35, 4847284), (52, 3262595), (62, 2736370), (65, 2610076), (70, 2423642), (91, 1864340), (97, 1749020), (124, 1368185), (130, 1305038), (140, 1211821), (155, 1094548), (182, 932170), (194, 874510), (217, 781820), (260, 652519), (310, 547274), (364, 466085), (388, 437255), (403, 420980), (434, 390910), (455, 372868), (485, 349804), (620, 273637), (679, 249860), (806, 210490), (868, 195455), (910, 186434), (961, 176540), (970, 174902), (1085, 156364), (1261, 134540), (1358, 124930), (1612, 105245), (1820, 93217), (1922, 88270), (1940, 87451), (2015, 84196), (2170, 78182), (2522, 67270), (2716, 62465), (2821, 60140), (3007, 56420), (3395, 49972), (3844, 44135), (4030, 42098), (4340, 39091), (4805, 35308), (5044, 33635), (5642, 30070), (6014, 28210), (6305, 26908), (6727, 25220), (6790, 24986), (8060, 21049), (8827, 19220), (9610, 17654), (11284, 15035), (12028, 14105), (12493, 13580), (12610, 13454)]