209042904

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{401}}^1$

素因数の和:553

約数の個数: 128

約数和(自身を含む): 625190400

約数和(自身を除く): 416147496

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 42, 56, 58, 84, 87, 107, 116, 168, 174, 203, 214, 232, 321, 348, 401, 406, 428, 609, 642, 696, 749, 802, 812, 856, 1203, 1218, 1284, 1498, 1604, 1624, 2247, 2406, 2436, 2568, 2807, 2996, 3103, 3208, 4494, 4812, 4872, 5614, 5992, 6206, 8421, 8988, 9309, 9624, 11228, 11629, 12412, 16842, 17976, 18618, 21721, 22456, 23258, 24824, 33684, 34887, 37236, 42907, 43442, 46516, 65163, 67368, 69774, 74472, 81403, 85814, 86884, 93032, 128721, 130326, 139548, 162806, 171628, 173768, 244209, 257442, 260652, 279096, 300349, 325612, 343256, 488418, 514884, 521304, 600698, 651224, 901047, 976836, 1029768, 1201396, 1244303, 1802094, 1953672, 2402792, 2488606, 3604188, 3732909, 4977212, 7208376, 7465818, 8710121, 9954424, 14931636, 17420242, 26130363, 29863272, 34840484, 52260726, 69680968, 104521452, 209042904]

約数ペア:

[(1, 209042904), (2, 104521452), (3, 69680968), (4, 52260726), (6, 34840484), (7, 29863272), (8, 26130363), (12, 17420242), (14, 14931636), (21, 9954424), (24, 8710121), (28, 7465818), (29, 7208376), (42, 4977212), (56, 3732909), (58, 3604188), (84, 2488606), (87, 2402792), (107, 1953672), (116, 1802094), (168, 1244303), (174, 1201396), (203, 1029768), (214, 976836), (232, 901047), (321, 651224), (348, 600698), (401, 521304), (406, 514884), (428, 488418), (609, 343256), (642, 325612), (696, 300349), (749, 279096), (802, 260652), (812, 257442), (856, 244209), (1203, 173768), (1218, 171628), (1284, 162806), (1498, 139548), (1604, 130326), (1624, 128721), (2247, 93032), (2406, 86884), (2436, 85814), (2568, 81403), (2807, 74472), (2996, 69774), (3103, 67368), (3208, 65163), (4494, 46516), (4812, 43442), (4872, 42907), (5614, 37236), (5992, 34887), (6206, 33684), (8421, 24824), (8988, 23258), (9309, 22456), (9624, 21721), (11228, 18618), (11629, 17976), (12412, 16842)]