172940404

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:294

約数の個数: 108

約数和(自身を含む): 399549024

約数和(自身を除く): 226608620

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 49, 52, 91, 92, 98, 161, 169, 182, 196, 227, 299, 322, 338, 364, 454, 598, 637, 644, 676, 908, 1127, 1183, 1196, 1274, 1589, 2093, 2254, 2366, 2548, 2951, 3178, 3887, 4186, 4508, 4732, 5221, 5902, 6356, 7774, 8281, 8372, 10442, 11123, 11804, 14651, 15548, 16562, 20657, 20884, 22246, 27209, 29302, 33124, 36547, 38363, 41314, 44492, 54418, 58604, 67873, 73094, 76726, 82628, 108836, 135746, 144599, 146188, 153452, 190463, 255829, 268541, 271492, 289198, 380926, 475111, 511658, 537082, 578396, 761852, 882349, 950222, 1023316, 1074164, 1764698, 1879787, 1900444, 3325777, 3529396, 3759574, 6176443, 6651554, 7519148, 12352886, 13303108, 24705772, 43235101, 86470202, 172940404]

約数ペア:

[(1, 172940404), (2, 86470202), (4, 43235101), (7, 24705772), (13, 13303108), (14, 12352886), (23, 7519148), (26, 6651554), (28, 6176443), (46, 3759574), (49, 3529396), (52, 3325777), (91, 1900444), (92, 1879787), (98, 1764698), (161, 1074164), (169, 1023316), (182, 950222), (196, 882349), (227, 761852), (299, 578396), (322, 537082), (338, 511658), (364, 475111), (454, 380926), (598, 289198), (637, 271492), (644, 268541), (676, 255829), (908, 190463), (1127, 153452), (1183, 146188), (1196, 144599), (1274, 135746), (1589, 108836), (2093, 82628), (2254, 76726), (2366, 73094), (2548, 67873), (2951, 58604), (3178, 54418), (3887, 44492), (4186, 41314), (4508, 38363), (4732, 36547), (5221, 33124), (5902, 29302), (6356, 27209), (7774, 22246), (8281, 20884), (8372, 20657), (10442, 16562), (11123, 15548), (11804, 14651)]