172109980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{727}}^1$

素因数の和:851

約数の個数: 96

約数和(自身を含む): 440294400

約数和(自身を除く): 268184420

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 89, 95, 133, 140, 178, 190, 266, 356, 380, 445, 532, 623, 665, 727, 890, 1246, 1330, 1454, 1691, 1780, 2492, 2660, 2908, 3115, 3382, 3635, 5089, 6230, 6764, 7270, 8455, 10178, 11837, 12460, 13813, 14540, 16910, 20356, 23674, 25445, 27626, 33820, 47348, 50890, 55252, 59185, 64703, 69065, 96691, 101780, 118370, 129406, 138130, 193382, 236740, 258812, 276260, 323515, 386764, 452921, 483455, 647030, 905842, 966910, 1229357, 1294060, 1811684, 1933820, 2264605, 2458714, 4529210, 4917428, 6146785, 8605499, 9058420, 12293570, 17210998, 24587140, 34421996, 43027495, 86054990, 172109980]

約数ペア:

[(1, 172109980), (2, 86054990), (4, 43027495), (5, 34421996), (7, 24587140), (10, 17210998), (14, 12293570), (19, 9058420), (20, 8605499), (28, 6146785), (35, 4917428), (38, 4529210), (70, 2458714), (76, 2264605), (89, 1933820), (95, 1811684), (133, 1294060), (140, 1229357), (178, 966910), (190, 905842), (266, 647030), (356, 483455), (380, 452921), (445, 386764), (532, 323515), (623, 276260), (665, 258812), (727, 236740), (890, 193382), (1246, 138130), (1330, 129406), (1454, 118370), (1691, 101780), (1780, 96691), (2492, 69065), (2660, 64703), (2908, 59185), (3115, 55252), (3382, 50890), (3635, 47348), (5089, 33820), (6230, 27626), (6764, 25445), (7270, 23674), (8455, 20356), (10178, 16910), (11837, 14540), (12460, 13813)]