171999590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1637}}^1$

素因数の和:1749

約数の個数: 64

約数和(自身を含む): 377395200

約数和(自身を除く): 205395610

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 79, 95, 133, 158, 190, 266, 395, 553, 665, 790, 1106, 1330, 1501, 1637, 2765, 3002, 3274, 5530, 7505, 8185, 10507, 11459, 15010, 16370, 21014, 22918, 31103, 52535, 57295, 62206, 105070, 114590, 129323, 155515, 217721, 258646, 311030, 435442, 646615, 905261, 1088605, 1293230, 1810522, 2177210, 2457137, 4526305, 4914274, 9052610, 12285685, 17199959, 24571370, 34399918, 85999795, 171999590]

約数ペア:

[(1, 171999590), (2, 85999795), (5, 34399918), (7, 24571370), (10, 17199959), (14, 12285685), (19, 9052610), (35, 4914274), (38, 4526305), (70, 2457137), (79, 2177210), (95, 1810522), (133, 1293230), (158, 1088605), (190, 905261), (266, 646615), (395, 435442), (553, 311030), (665, 258646), (790, 217721), (1106, 155515), (1330, 129323), (1501, 114590), (1637, 105070), (2765, 62206), (3002, 57295), (3274, 52535), (5530, 31103), (7505, 22918), (8185, 21014), (10507, 16370), (11459, 15010)]