212345812

素因数分解:

$2^2\times 7^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:198

約数の個数: 96

約数和(自身を含む): 459648000

約数和(自身を除く): 247302188

約数列:

[1, 2, 4, 7, 14, 28, 37, 47, 49, 74, 89, 94, 98, 148, 178, 188, 196, 259, 329, 343, 356, 518, 623, 658, 686, 1036, 1246, 1316, 1372, 1739, 1813, 2303, 2492, 3293, 3478, 3626, 4183, 4361, 4606, 6586, 6956, 7252, 8366, 8722, 9212, 12173, 12691, 13172, 16121, 16732, 17444, 23051, 24346, 25382, 29281, 30527, 32242, 46102, 48692, 50764, 58562, 61054, 64484, 85211, 92204, 117124, 122108, 154771, 161357, 170422, 204967, 309542, 322714, 340844, 409934, 596477, 619084, 645428, 819868, 1083397, 1129499, 1192954, 1434769, 2166794, 2258998, 2385908, 2869538, 4333588, 4517996, 5739076, 7583779, 15167558, 30335116, 53086453, 106172906, 212345812]

約数ペア:

[(1, 212345812), (2, 106172906), (4, 53086453), (7, 30335116), (14, 15167558), (28, 7583779), (37, 5739076), (47, 4517996), (49, 4333588), (74, 2869538), (89, 2385908), (94, 2258998), (98, 2166794), (148, 1434769), (178, 1192954), (188, 1129499), (196, 1083397), (259, 819868), (329, 645428), (343, 619084), (356, 596477), (518, 409934), (623, 340844), (658, 322714), (686, 309542), (1036, 204967), (1246, 170422), (1316, 161357), (1372, 154771), (1739, 122108), (1813, 117124), (2303, 92204), (2492, 85211), (3293, 64484), (3478, 61054), (3626, 58562), (4183, 50764), (4361, 48692), (4606, 46102), (6586, 32242), (6956, 30527), (7252, 29281), (8366, 25382), (8722, 24346), (9212, 23051), (12173, 17444), (12691, 16732), (13172, 16121)]