211849380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{2113}}^1$

素因数の和:2685

約数の個数: 72

約数和(自身を含む): 644068152

約数和(自身を除く): 432218772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 557, 1114, 1671, 2113, 2228, 2785, 3342, 4226, 5013, 5570, 6339, 6684, 8355, 8452, 10026, 10565, 11140, 12678, 16710, 19017, 20052, 21130, 25065, 25356, 31695, 33420, 38034, 42260, 50130, 63390, 76068, 95085, 100260, 126780, 190170, 380340, 1176941, 2353882, 3530823, 4707764, 5884705, 7061646, 10592469, 11769410, 14123292, 17654115, 21184938, 23538820, 35308230, 42369876, 52962345, 70616460, 105924690, 211849380]

約数ペア:

[(1, 211849380), (2, 105924690), (3, 70616460), (4, 52962345), (5, 42369876), (6, 35308230), (9, 23538820), (10, 21184938), (12, 17654115), (15, 14123292), (18, 11769410), (20, 10592469), (30, 7061646), (36, 5884705), (45, 4707764), (60, 3530823), (90, 2353882), (180, 1176941), (557, 380340), (1114, 190170), (1671, 126780), (2113, 100260), (2228, 95085), (2785, 76068), (3342, 63390), (4226, 50130), (5013, 42260), (5570, 38034), (6339, 33420), (6684, 31695), (8355, 25356), (8452, 25065), (10026, 21130), (10565, 20052), (11140, 19017), (12678, 16710)]