209870360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{727}}^1\times {\mathrm{1031}}^1$

素因数の和:1776

約数の個数: 64

約数和(自身を含む): 540933120

約数和(自身を除く): 331062760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 727, 1031, 1454, 2062, 2908, 3635, 4124, 5089, 5155, 5816, 7217, 7270, 8248, 10178, 10310, 14434, 14540, 20356, 20620, 25445, 28868, 29080, 36085, 40712, 41240, 50890, 57736, 72170, 101780, 144340, 203560, 288680, 749537, 1499074, 2998148, 3747685, 5246759, 5996296, 7495370, 10493518, 14990740, 20987036, 26233795, 29981480, 41974072, 52467590, 104935180, 209870360]

約数ペア:

[(1, 209870360), (2, 104935180), (4, 52467590), (5, 41974072), (7, 29981480), (8, 26233795), (10, 20987036), (14, 14990740), (20, 10493518), (28, 7495370), (35, 5996296), (40, 5246759), (56, 3747685), (70, 2998148), (140, 1499074), (280, 749537), (727, 288680), (1031, 203560), (1454, 144340), (2062, 101780), (2908, 72170), (3635, 57736), (4124, 50890), (5089, 41240), (5155, 40712), (5816, 36085), (7217, 29080), (7270, 28868), (8248, 25445), (10178, 20620), (10310, 20356), (14434, 14540)]