189740156

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 380207520

約数和(自身を除く): 190467364

約数列:

[1, 2, 4, 19, 23, 29, 38, 46, 58, 76, 92, 116, 197, 361, 394, 437, 551, 667, 722, 788, 874, 1102, 1334, 1444, 1748, 2204, 2668, 3743, 4531, 5713, 7486, 8303, 9062, 10469, 11426, 12673, 14972, 16606, 18124, 20938, 22852, 25346, 33212, 41876, 50692, 71117, 86089, 108547, 131399, 142234, 172178, 217094, 240787, 262798, 284468, 344356, 434188, 481574, 525596, 963148, 1635691, 2062393, 2496581, 3271382, 4124786, 4993162, 6542764, 8249572, 9986324, 47435039, 94870078, 189740156]

約数ペア:

[(1, 189740156), (2, 94870078), (4, 47435039), (19, 9986324), (23, 8249572), (29, 6542764), (38, 4993162), (46, 4124786), (58, 3271382), (76, 2496581), (92, 2062393), (116, 1635691), (197, 963148), (361, 525596), (394, 481574), (437, 434188), (551, 344356), (667, 284468), (722, 262798), (788, 240787), (874, 217094), (1102, 172178), (1334, 142234), (1444, 131399), (1748, 108547), (2204, 86089), (2668, 71117), (3743, 50692), (4531, 41876), (5713, 33212), (7486, 25346), (8303, 22852), (9062, 20938), (10469, 18124), (11426, 16606), (12673, 14972)]