205338840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{244451}}^1$

素因数の和:244472

約数の個数: 64

約数和(自身を含む): 704021760

約数和(自身を除く): 498682920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 244451, 488902, 733353, 977804, 1222255, 1466706, 1711157, 1955608, 2444510, 2933412, 3422314, 3666765, 4889020, 5133471, 5866824, 6844628, 7333530, 8555785, 9778040, 10266942, 13689256, 14667060, 17111570, 20533884, 25667355, 29334120, 34223140, 41067768, 51334710, 68446280, 102669420, 205338840]

約数ペア:

[(1, 205338840), (2, 102669420), (3, 68446280), (4, 51334710), (5, 41067768), (6, 34223140), (7, 29334120), (8, 25667355), (10, 20533884), (12, 17111570), (14, 14667060), (15, 13689256), (20, 10266942), (21, 9778040), (24, 8555785), (28, 7333530), (30, 6844628), (35, 5866824), (40, 5133471), (42, 4889020), (56, 3666765), (60, 3422314), (70, 2933412), (84, 2444510), (105, 1955608), (120, 1711157), (140, 1466706), (168, 1222255), (210, 977804), (280, 733353), (420, 488902), (840, 244451)]