201781860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1361}}^1$

素因数の和:1733

約数の個数: 96

約数和(自身を含む): 648006912

約数和(自身を除く): 446225052

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, 353, 420, 706, 1059, 1361, 1412, 1765, 2118, 2471, 2722, 3530, 4083, 4236, 4942, 5295, 5444, 6805, 7060, 7413, 8166, 9527, 9884, 10590, 12355, 13610, 14826, 16332, 19054, 20415, 21180, 24710, 27220, 28581, 29652, 37065, 38108, 40830, 47635, 49420, 57162, 74130, 81660, 95270, 114324, 142905, 148260, 190540, 285810, 480433, 571620, 960866, 1441299, 1921732, 2402165, 2882598, 3363031, 4804330, 5765196, 6726062, 7206495, 9608660, 10089093, 13452124, 14412990, 16815155, 20178186, 28825980, 33630310, 40356372, 50445465, 67260620, 100890930, 201781860]

約数ペア:

[(1, 201781860), (2, 100890930), (3, 67260620), (4, 50445465), (5, 40356372), (6, 33630310), (7, 28825980), (10, 20178186), (12, 16815155), (14, 14412990), (15, 13452124), (20, 10089093), (21, 9608660), (28, 7206495), (30, 6726062), (35, 5765196), (42, 4804330), (60, 3363031), (70, 2882598), (84, 2402165), (105, 1921732), (140, 1441299), (210, 960866), (353, 571620), (420, 480433), (706, 285810), (1059, 190540), (1361, 148260), (1412, 142905), (1765, 114324), (2118, 95270), (2471, 81660), (2722, 74130), (3530, 57162), (4083, 49420), (4236, 47635), (4942, 40830), (5295, 38108), (5444, 37065), (6805, 29652), (7060, 28581), (7413, 27220), (8166, 24710), (9527, 21180), (9884, 20415), (10590, 19054), (12355, 16332), (13610, 14826)]