201789420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{480451}}^1$

素因数の和:480470

約数の個数: 48

約数和(自身を含む): 645727488

約数和(自身を除く): 443938068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 480451, 960902, 1441353, 1921804, 2402255, 2882706, 3363157, 4804510, 5765412, 6726314, 7206765, 9609020, 10089471, 13452628, 14413530, 16815785, 20178942, 28827060, 33631570, 40357884, 50447355, 67263140, 100894710, 201789420]

約数ペア:

[(1, 201789420), (2, 100894710), (3, 67263140), (4, 50447355), (5, 40357884), (6, 33631570), (7, 28827060), (10, 20178942), (12, 16815785), (14, 14413530), (15, 13452628), (20, 10089471), (21, 9609020), (28, 7206765), (30, 6726314), (35, 5765412), (42, 4804510), (60, 3363157), (70, 2882706), (84, 2402255), (105, 1921804), (140, 1441353), (210, 960902), (420, 480451)]