210879284

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{929}}^1$

素因数の和:1029

約数の個数: 72

約数和(自身を含む): 471011520

約数和(自身を除く): 260132236

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 67, 77, 121, 134, 154, 242, 268, 308, 469, 484, 737, 847, 929, 938, 1474, 1694, 1858, 1876, 2948, 3388, 3716, 5159, 6503, 8107, 10219, 10318, 13006, 16214, 20438, 20636, 26012, 32428, 40876, 56749, 62243, 71533, 112409, 113498, 124486, 143066, 224818, 226996, 248972, 286132, 435701, 449636, 684673, 786863, 871402, 1369346, 1573726, 1742804, 2738692, 3147452, 4792711, 7531403, 9585422, 15062806, 19170844, 30125612, 52719821, 105439642, 210879284]

約数ペア:

[(1, 210879284), (2, 105439642), (4, 52719821), (7, 30125612), (11, 19170844), (14, 15062806), (22, 9585422), (28, 7531403), (44, 4792711), (67, 3147452), (77, 2738692), (121, 1742804), (134, 1573726), (154, 1369346), (242, 871402), (268, 786863), (308, 684673), (469, 449636), (484, 435701), (737, 286132), (847, 248972), (929, 226996), (938, 224818), (1474, 143066), (1694, 124486), (1858, 113498), (1876, 112409), (2948, 71533), (3388, 62243), (3716, 56749), (5159, 40876), (6503, 32428), (8107, 26012), (10219, 20636), (10318, 20438), (13006, 16214)]